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 (
    398, 500, 146, 147, 148, 759, 149, 150, 
    151, 152, 153, 3, 507, 509, 481, 510, 
    511, 449, 482, 513, 484, 492, 493, 494, 
    495, 515, 516, 517, 518, 519
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00018

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.0110178,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_review_prepared_data",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "loops": 1,
          "rows": 1,
          "cost": 0.0110178,
          "filtered": 100,
          "attached_condition": "cscart_product_review_prepared_data.storefront_id = 0 and cscart_product_review_prepared_data.product_id in (398,500,146,147,148,759,149,150,151,152,153,3,507,509,481,510,511,449,482,513,484,492,493,494,495,515,516,517,518,519)"
        }
      }
    ]
  }
}