SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    1952, 1939, 1126, 1129, 1125, 2007, 2076, 
    2352, 1578, 1127, 2030, 2269, 2289, 
    1173, 2167, 2128, 1574, 1968, 1969, 
    1579, 1575, 1128, 1081, 2192, 1082
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00021

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "0.84"
    },
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "ALL",
      "possible_keys": [
        "PRIMARY"
      ],
      "rows_examined_per_scan": 3,
      "rows_produced_per_join": 3,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "0.54",
        "eval_cost": "0.30",
        "prefix_cost": "0.84",
        "data_read_per_join": "48"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ],
      "attached_condition": "((`cscartdevel`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`cscartdevel`.`cscart_product_review_prepared_data`.`product_id` in (1952,1939,1126,1129,1125,2007,2076,2352,1578,1127,2030,2269,2289,1173,2167,2128,1574,1968,1969,1579,1575,1128,1081,2192,1082)))"
    }
  }
}