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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 (
    2178, 2179, 2180, 2181, 2182, 2183, 2184, 
    3779, 3780, 3781, 3782, 3783, 3784, 
    3785, 3786, 3787, 3788, 3789, 3790, 
    3791, 3792, 3793, 3794, 3795
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00034

JSON explain

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