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 (
    149, 150, 151, 152, 153, 168, 169, 170, 
    171, 172, 173, 174, 250, 251, 252, 253, 
    254, 255, 256, 304, 305, 306, 307, 308
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00041

JSON explain

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