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 (
    148, 
    180, 
    18, 
    16, 
    4, 
    5, 
    23, 
    24, 
    1, 
    22, 
    149, 
    227, 
    190, 
    189, 
    245, 
    238, 
    239, 
    242, 
    243, 
    241, 
    240, 
    214, 
    217, 
    218, 
    207, 
    59, 
    58, 
    60, 
    172, 
    134, 
    135, 
    168, 
    167, 
    169, 
    42, 
    39, 
    40, 
    205, 
    37, 
    74, 
    73, 
    71, 
    75, 
    72, 
    70, 
    156, 
    175, 
    43, 
    76, 
    56, 
    57, 
    30, 
    246, 
    208, 
    173, 
    229, 
    211, 
    210, 
    209, 
    67, 
    25, 
    213, 
    215, 
    226, 
    154, 
    53, 
    52, 
    228, 
    161, 
    165, 
    166, 
    86, 
    106, 
    105, 
    247, 
    101, 
    33, 
    32, 
    163, 
    244, 
    212, 
    155, 
    55, 
    69, 
    206, 
    184, 
    183, 
    133, 
    132, 
    125, 
    120, 
    223, 
    225, 
    224, 
    146, 
    147, 
    145, 
    117, 
    219, 
    222, 
    220, 
    221, 
    113, 
    157, 
    68, 
    29, 
    6, 
    8, 
    14, 
    9, 
    10, 
    19, 
    21, 
    50, 
    51, 
    49, 
    48, 
    54, 
    153, 
    164, 
    248, 
    65, 
    64, 
    63, 
    62, 
    66, 
    140, 
    141
  ) 
  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 0.00196

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "60.00"
    },
    "grouping_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "table": {
        "table_name": "cscart_ult_product_prices",
        "access_type": "ref",
        "possible_keys": [
          "usergroup",
          "product_id",
          "company_id",
          "lower_limit",
          "usergroup_id"
        ],
        "key": "company_id",
        "used_key_parts": [
          "company_id"
        ],
        "key_length": "4",
        "ref": [
          "const"
        ],
        "rows_examined_per_scan": 240,
        "rows_produced_per_join": 34,
        "filtered": "14.44",
        "index_condition": "(`rajansecarter_single_store_19_jan`.`cscart_ult_product_prices`.`company_id` <=> 1)",
        "cost_info": {
          "read_cost": "12.00",
          "eval_cost": "6.93",
          "prefix_cost": "60.00",
          "data_read_per_join": "1K"
        },
        "used_columns": [
          "product_id",
          "price",
          "percentage_discount",
          "lower_limit",
          "company_id",
          "usergroup_id"
        ],
        "attached_condition": "((`rajansecarter_single_store_19_jan`.`cscart_ult_product_prices`.`lower_limit` = 1) and (`rajansecarter_single_store_19_jan`.`cscart_ult_product_prices`.`product_id` in (148,180,18,16,4,5,23,24,1,22,149,227,190,189,245,238,239,242,243,241,240,214,217,218,207,59,58,60,172,134,135,168,167,169,42,39,40,205,37,74,73,71,75,72,70,156,175,43,76,56,57,30,246,208,173,229,211,210,209,67,25,213,215,226,154,53,52,228,161,165,166,86,106,105,247,101,33,32,163,244,212,155,55,69,206,184,183,133,132,125,120,223,225,224,146,147,145,117,219,222,220,221,113,157,68,29,6,8,14,9,10,19,21,50,51,49,48,54,153,164,248,65,64,63,62,66,140,141)) and (`rajansecarter_single_store_19_jan`.`cscart_ult_product_prices`.`usergroup_id` in (0,0,1)))"
      }
    }
  }
}