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 (
    276603, 276604, 276605, 276606, 276607, 
    276608, 276609, 276610, 276611, 276612, 
    276613, 276614, 276615, 276616, 276617, 
    276618, 276619, 276620, 276621, 276622
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00048

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}