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 (
    439645, 401030, 435106, 401667, 431036, 
    442622, 435820, 452529, 426624, 403050, 
    452048, 407841, 405943, 459502, 431667, 
    420500, 433248, 407007, 424261, 442071, 
    411571, 430068, 446914, 420739, 441207, 
    438933, 436348, 447332, 442119, 424436, 
    409550, 447602
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.0194938,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_review_prepared_data",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "loops": 1,
          "rows": 53,
          "cost": 0.0194938,
          "filtered": 60.37735748,
          "attached_condition": "cscart_product_review_prepared_data.storefront_id = 0 and cscart_product_review_prepared_data.product_id in (439645,401030,435106,401667,431036,442622,435820,452529,426624,403050,452048,407841,405943,459502,431667,420500,433248,407007,424261,442071,411571,430068,446914,420739,441207,438933,436348,447332,442119,424436,409550,447602)"
        }
      }
    ]
  }
}