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SELECT 
  cscart_ult_product_prices.product_id, 
  MIN(
    IF(
      cscart_ult_product_prices.percentage_discount = 0, 
      cscart_ult_product_prices.price, 
      cscart_ult_product_prices.price - (
        cscart_ult_product_prices.price * cscart_ult_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_ult_product_prices 
WHERE 
  cscart_ult_product_prices.product_id IN (
    2222, 2223, 5353, 5354, 5355, 5356, 5357, 
    5358, 5359, 5360, 5361, 5362, 5363, 
    5364, 5365, 5366, 5367, 5368, 5369, 
    5370, 5820, 5821, 5822, 5823, 3135, 
    5802, 6970, 6971, 6972, 6973, 6974, 
    6975, 3403, 3404, 3405, 3406, 3408, 
    3409, 6930, 6931, 6932, 6933, 6934, 
    6935, 6936, 3407, 2666, 3845
  ) 
  AND cscart_ult_product_prices.lower_limit = 1 
  AND cscart_ult_product_prices.company_id = 1 
  AND cscart_ult_product_prices.usergroup_id IN (0, 0, 1) 
GROUP BY 
  cscart_ult_product_prices.product_id

Query time 0.00035

JSON explain

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