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 (
    3760, 3761, 3762, 3763, 3764, 3765, 3766, 
    3767, 3768, 3769, 3770, 3771, 3772, 
    3773, 3774, 3775, 3776, 3777, 1143, 
    1139, 1140, 1141, 1142, 3681, 3682, 
    3683, 3684, 3685, 2207, 2208, 2209, 
    2210, 2211, 2212, 2213, 2214, 2215, 
    2216, 5808, 5809, 5810, 5811, 5812, 
    5813, 5814, 5815, 5816, 13314
  ) 
  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 0.00025

JSON explain

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