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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 (
    2416, 2417, 2418, 2419, 2420, 2514, 2515, 
    2516, 2517, 2518, 2604, 2605, 2606, 
    2607, 3840, 3841, 3842, 3843, 5867, 
    5868, 5869, 5870, 5871, 5935, 5936, 
    5937, 5938, 5939, 6012, 6013, 6014, 
    6015, 6016, 6017, 6018, 6019, 6020, 
    6196, 6197, 6198, 6199, 6200, 6732, 
    2836, 2837, 2838, 2839, 2840
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00025

JSON explain

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