Sandbox

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 (
    1707, 1708, 1709, 1710, 1711, 1712, 1713, 
    1714, 1715, 1716, 1717, 1718, 1719, 
    1720, 3733, 3735, 3736, 3737, 3738, 
    5371, 5372, 5373, 5374, 5375
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00028

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "Impossible WHERE noticed after reading const tables"
  }
}