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 (
    51027, 51433, 51063, 51067, 51026, 51031, 
    51062, 51435, 51035, 51028, 51441, 
    51425, 51431, 51033, 51432, 51041
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 1

Query time 0.00022

JSON explain

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