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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 (
    2777, 2845, 2846, 2847, 2848, 2849, 2850, 
    2851, 2852, 2853, 2854, 2855, 2856, 
    2857, 2858, 2859, 2860, 2861, 2862, 
    2942, 2943, 2944, 2945, 2946, 2947, 
    2948, 2949, 2950, 3037, 3038, 3039, 
    3040, 3041, 3042, 3043, 3044, 3045, 
    3853, 5790, 5791, 5792, 5793, 5794, 
    5795, 5796, 5797, 5798, 6307
  ) 
  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 0.00060

JSON explain

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