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 (
    4, 1, 5, 7, 8, 9, 10, 11, 13, 14, 16, 17, 18, 
    19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 
    29, 30, 31, 32, 33, 34, 35, 36, 37
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00073

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "12.56"
    },
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "ALL",
      "possible_keys": [
        "PRIMARY"
      ],
      "rows_examined_per_scan": 52,
      "rows_produced_per_join": 31,
      "filtered": "61.54",
      "cost_info": {
        "read_cost": "6.17",
        "eval_cost": "6.40",
        "prefix_cost": "12.57",
        "data_read_per_join": "511"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ],
      "attached_condition": "((`pankajecarter_systemsix`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`pankajecarter_systemsix`.`cscart_product_review_prepared_data`.`product_id` in (4,1,5,7,8,9,10,11,13,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37)))"
    }
  }
}