SELECT 
  cscart_products.*, 
  cscart_product_descriptions.*, 
  MIN(
    IF(
      cscart_product_prices.percentage_discount = 0, 
      cscart_product_prices.price, 
      cscart_product_prices.price - (
        cscart_product_prices.price * cscart_product_prices.percentage_discount
      )/ 100
    )
  ) as price, 
  GROUP_CONCAT(
    CASE WHEN (
      cscart_products_categories.link_type = 'M'
    ) THEN CONCAT(
      cscart_products_categories.category_id, 
      'M'
    ) ELSE cscart_products_categories.category_id END 
    ORDER BY 
      cscart_categories.storefront_id IN (0, 1) DESC, 
      (
        cscart_products_categories.link_type = 'M'
      ) DESC, 
      cscart_products_categories.category_position ASC, 
      cscart_products_categories.category_id ASC
  ) as category_ids, 
  popularity.total as popularity, 
  companies.company as company_name, 
  cscart_product_sales.amount as sales_amount, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path, 
  cscart_discussion.type as discussion_type, 
  cscart_product_review_prepared_data.average_rating average_rating, 
  cscart_product_review_prepared_data.reviews_count product_reviews_count 
FROM 
  cscart_products 
  LEFT JOIN cscart_product_prices ON cscart_product_prices.product_id = cscart_products.product_id 
  AND cscart_product_prices.lower_limit = 1 
  AND cscart_product_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_product_descriptions ON cscart_product_descriptions.product_id = cscart_products.product_id 
  AND cscart_product_descriptions.lang_code = 'pl' 
  LEFT JOIN cscart_companies as companies ON companies.company_id = cscart_products.company_id 
  INNER JOIN cscart_products_categories ON cscart_products_categories.product_id = cscart_products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = cscart_products_categories.category_id 
  AND cscart_categories.storefront_id IN (0, 1) 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND (
    cscart_products.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_products.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_products.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_products.status IN ('A', 'H') 
  LEFT JOIN cscart_product_popularity as popularity ON popularity.product_id = cscart_products.product_id 
  LEFT JOIN cscart_product_sales ON cscart_product_sales.product_id = cscart_products.product_id 
  AND cscart_product_sales.category_id = 359 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 1440 
  AND cscart_seo_names.type = 'p' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'pl' 
  LEFT JOIN cscart_discussion ON cscart_discussion.object_id = cscart_products.product_id 
  AND cscart_discussion.object_type = 'P' 
  LEFT JOIN cscart_product_review_prepared_data ON cscart_product_review_prepared_data.product_id = cscart_products.product_id 
  AND cscart_product_review_prepared_data.storefront_id = 0 
WHERE 
  cscart_products.product_id = 1440 
  AND (
    companies.status IN ('A') 
    OR cscart_products.company_id = 0
  ) 
GROUP BY 
  cscart_products.product_id

Query time 0.00056

JSON explain

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  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.03"
    },
    "grouping_operation": {
      "using_filesort": false,
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_products",
            "access_type": "const",
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              "status"
            ],
            "key": "PRIMARY",
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              "length",
              "width",
              "height",
              "shipping_freight",
              "low_avail_limit",
              "timestamp",
              "updated_timestamp",
              "usergroup_ids",
              "is_edp",
              "edp_shipping",
              "unlimited_download",
              "tracking",
              "free_shipping",
              "zero_price_action",
              "is_pbp",
              "is_op",
              "is_oper",
              "is_returnable",
              "return_period",
              "avail_since",
              "out_of_stock_actions",
              "localization",
              "min_qty",
              "max_qty",
              "qty_step",
              "list_qty_count",
              "tax_ids",
              "age_verification",
              "age_limit",
              "options_type",
              "exceptions_type",
              "details_layout",
              "shipping_params",
              "facebook_obj_type",
              "parent_product_id",
              "buy_now_url",
              "units_in_product",
              "show_price_per_x_units",
              "ab__stickers_manual_ids",
              "ab__stickers_generated_ids",
              "ss_omnibus_display",
              "rp_enable",
              "rp_pre_auth",
              "rp_pay_type",
              "rp_period",
              "rp_free_period",
              "rp_shipping_cost",
              "rp_addon_id",
              "rp_struct_billing",
              "ss_deepl_auto_translate",
              "ss_deepl_changed_fields"
            ]
          }
        },
        {
          "table": {
            "table_name": "popularity",
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        },
        {
          "table": {
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            "rows_examined_per_scan": 0,
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          }
        },
        {
          "table": {
            "table_name": "cscart_product_prices",
            "access_type": "ref",
            "possible_keys": [
              "usergroup",
              "product_id",
              "lower_limit",
              "usergroup_id"
            ],
            "key": "product_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 1,
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            "cost_info": {
              "read_cost": "0.25",
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              "prefix_cost": "0.35",
              "data_read_per_join": "24"
            },
            "used_columns": [
              "product_id",
              "price",
              "percentage_discount",
              "lower_limit",
              "usergroup_id"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_product_prices), ((`cscartdevel`.`cscart_product_prices`.`lower_limit` = 1) and (`cscartdevel`.`cscart_product_prices`.`usergroup_id` in (0,0,1))), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_product_descriptions",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "product_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "product_id",
              "lang_code"
            ],
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            ],
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            },
            "used_columns": [
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              "lang_code",
              "product",
              "shortname",
              "short_description",
              "full_description",
              "meta_keywords",
              "meta_description",
              "search_words",
              "page_title",
              "age_warning_message",
              "promo_text",
              "unit_name",
              "ss_baselinker_name",
              "ss_baselinker_description",
              "stop_words"
            ]
          }
        },
        {
          "table": {
            "table_name": "companies",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
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            ],
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              "data_read_per_join": "7K"
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            "used_columns": [
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              "company"
            ],
            "attached_condition": "<if>(found_match(companies), ((`cscartdevel`.`companies`.`status` = 'A') or false), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_products_categories",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "pt"
            ],
            "key": "pt",
            "used_key_parts": [
              "product_id"
            ],
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            "ref": [
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            ],
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              "category_position"
            ]
          }
        },
        {
          "table": {
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              "c_status",
              "p_category_id"
            ],
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            "used_key_parts": [
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              "cscartdevel.cscart_products_categories.category_id"
            ],
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            "rows_produced_per_join": 0,
            "filtered": "5.00",
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              "data_read_per_join": "176"
            },
            "used_columns": [
              "category_id",
              "storefront_id",
              "usergroup_ids",
              "status"
            ],
            "attached_condition": "((`cscartdevel`.`cscart_categories`.`storefront_id` in (0,1)) and ((`cscartdevel`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`cscartdevel`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`cscartdevel`.`cscart_categories`.`usergroup_ids`))) and (`cscartdevel`.`cscart_categories`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "cscart_seo_names",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "dispatch"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "type",
              "dispatch",
              "lang_code"
            ],
            "key_length": "206",
            "ref": [
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              "const"
            ],
            "rows_examined_per_scan": 1,
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            "filtered": "100.00",
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            "used_columns": [
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              "type",
              "dispatch",
              "path",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_discussion",
            "access_type": "const",
            "possible_keys": [
              "object_id"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type"
            ],
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              "const",
              "const"
            ],
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            },
            "used_columns": [
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              "object_type",
              "type"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_product_review_prepared_data",
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              "PRIMARY"
            ],
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            ],
            "key_length": "7",
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            },
            "used_columns": [
              "product_id",
              "storefront_id",
              "average_rating",
              "reviews_count"
            ]
          }
        }
      ]
    }
  }
}