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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 (
    125, 126, 127, 128, 129, 130, 131, 132, 
    233, 234, 235, 236, 237, 238, 239, 286, 
    287, 288, 289, 290, 291, 292, 3922, 3923, 
    3924, 3925, 3926, 3927, 3928, 3976, 
    3977, 3978, 3979, 3980, 3981, 3982, 
    4028, 4029, 4030, 4031, 4032, 4033, 
    4034, 4035, 4036, 4037, 4038, 4039
  ) 
  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"
  }
}