SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    1921, 2012, 2013, 1983, 2221, 2023, 2123, 
    1982, 1944, 2031, 2032, 1920, 2033, 
    2034, 2165, 2223
  )

Query time 0.00026

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "11.21"
    },
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 16,
      "rows_produced_per_join": 16,
      "filtered": "100.00",
      "index_condition": "(`cscartdevel`.`cscart_products`.`product_id` in (1921,2012,2013,1983,2221,2023,2123,1982,1944,2031,2032,1920,2033,2034,2165,2223))",
      "cost_info": {
        "read_cost": "9.61",
        "eval_cost": "1.60",
        "prefix_cost": "11.21",
        "data_read_per_join": "73K"
      },
      "used_columns": [
        "product_id",
        "product_code",
        "product_type",
        "status",
        "company_id",
        "list_price",
        "amount",
        "weight",
        "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"
      ]
    }
  }
}

Result

product_id product_code product_type status company_id list_price amount weight 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
1920 5411788044745 P A 273 0.00 230 0.340 0 0 0 0.00 0 1754652183 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
1921 4019736006169 P A 273 18.99 784 0.580 0 0 0 0.00 0 1754652186 1755523561 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
1944 8712153627103 P A 273 0.00 1874 1.000 0 0 0 0.00 0 1754652232 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
1982 8009004810679 P A 273 12.19 3297 0.800 0 0 0 0.00 0 1754652302 1755098197 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
1983 8009004810693 P A 273 13.59 1372 0.800 0 0 0 0.00 0 1754652304 1755186895 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2012 4019736000402 P A 273 0.00 681 0.250 0 0 0 0.00 0 1754652362 1754667963 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2013 4019736000754 P A 273 0.00 570 0.370 0 0 0 0.00 0 1754652365 1754667963 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2023 4019736003748 P A 273 14.99 1494 0.580 0 0 0 0.00 0 1754652384 1755099686 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2031 5411788045278 P A 273 0.00 237 0.460 0 0 0 0.00 0 1754652402 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2032 5411788044431 P A 273 0.00 131 0.900 0 0 0 0.00 0 1754652406 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2033 5411788036498 P A 273 29.90 369 0.460 0 0 0 0.00 0 1754652408 1755186895 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2034 5411788036511 P A 273 43.80 820 0.910 0 0 0 0.00 0 1754652410 1755186895 0 N N N N Y N N Y 10 0 N 6 N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2123 4019736004134 P A 273 0.00 212 0.580 0 0 0 0.00 0 1754652582 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2165 4030917056506 P A 273 0.00 72 0.550 0 0 0 0.00 0 1754652660 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2221 3760128282234 P A 273 0.00 150 0.520 0 0 0 0.00 0 1754652766 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N
2223 3760128282159 P A 273 0.00 107 0.400 0 0 0 0.00 0 1754652769 1754667408 0 N N N N Y N N Y 10 0 N 6 N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0.000 1.000 Y N N B 0 0.00 N