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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 (
    51022, 51045, 51025, 51029, 51020, 51027, 
    51031, 51026, 51035, 51028, 51041, 
    51033, 51042, 51030, 51032, 51037
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 1

Query time 0.00031

JSON explain

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