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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 (
    8761, 9563, 9564, 9565, 9566, 9567, 9568, 
    9569, 9570, 9571, 9572, 9573, 9574, 
    9575, 9576, 9577, 9578, 9579, 9580, 
    9581, 9582, 9583, 9584, 9585, 9586, 
    9587, 9588, 9589, 9590, 9591, 9592, 
    9593, 9594, 9595, 9596, 9597, 9598, 
    9599, 9600, 9601, 9602, 9603, 9604, 
    9605, 9606, 9607, 9608, 9609
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00026

JSON explain

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