SELECT 
  cscart_products_categories.product_id, 
  GROUP_CONCAT(
    IF(
      cscart_products_categories.link_type = "M", 
      CONCAT(
        cscart_products_categories.category_id, 
        "M"
      ), 
      cscart_products_categories.category_id
    )
  ) AS category_ids, 
  product_position_source.position AS position 
FROM 
  cscart_products_categories 
  INNER JOIN cscart_categories ON cscart_categories.category_id = cscart_products_categories.category_id 
  AND cscart_categories.storefront_id IN (0, 1) 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  LEFT JOIN cscart_products_categories AS product_position_source ON cscart_products_categories.product_id = product_position_source.product_id 
  AND product_position_source.category_id = 7300 
WHERE 
  cscart_products_categories.product_id IN (
    92556, 92557, 86235, 86238, 86229, 89593, 
    89594, 91938, 86231, 91937, 91939, 
    91940, 91941, 91942, 91943, 86856, 
    86228, 86223, 89004, 91961, 91962, 
    91963, 91964, 91965, 91966, 91967, 
    86227, 82403, 82410, 82424, 89591, 
    89592, 86226, 86237, 86230, 91993, 
    91994, 91995, 91996, 91997, 91998, 
    91999, 82362, 91960, 82360, 91953, 
    91954, 91955, 91956, 91957, 91958, 
    91959, 84290, 82404, 82342, 82367, 
    86236, 86222, 82338, 82337, 82406, 
    82412, 82426, 86224, 91978, 91981, 
    82563, 82567, 82571, 82333, 86225, 
    91977, 91979, 91980, 91982, 91983, 
    82556, 85583, 89595, 89596, 89597, 
    82335, 82336, 82401, 82409, 82419, 
    82405, 82411, 82425, 91992, 91936, 
    91970, 91973, 86234, 82374, 91985
  ) 
GROUP BY 
  cscart_products_categories.product_id

Query time 0.02182

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "128.94"
    },
    "grouping_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "5.33"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_categories",
            "access_type": "ALL",
            "possible_keys": [
              "PRIMARY",
              "c_status",
              "p_category_id"
            ],
            "rows_examined_per_scan": 208,
            "rows_produced_per_join": 8,
            "filtered": "4.00",
            "cost_info": {
              "read_cost": "20.72",
              "eval_cost": "0.83",
              "prefix_cost": "21.55",
              "data_read_per_join": "21K"
            },
            "used_columns": [
              "category_id",
              "usergroup_ids",
              "status",
              "storefront_id"
            ],
            "attached_condition": "((`nuie_scalesta_net`.`cscart_categories`.`storefront_id` in (0,1)) and ((`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`))) and (`nuie_scalesta_net`.`cscart_categories`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "cscart_products_categories",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "link_type",
              "pt"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id"
            ],
            "key_length": "3",
            "ref": [
              "nuie_scalesta_net.cscart_categories.category_id"
            ],
            "rows_examined_per_scan": 117,
            "rows_produced_per_join": 5,
            "filtered": "0.54",
            "cost_info": {
              "read_cost": "2.33",
              "eval_cost": "0.53",
              "prefix_cost": "121.75",
              "data_read_per_join": "85"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type"
            ],
            "attached_condition": "(`nuie_scalesta_net`.`cscart_products_categories`.`product_id` in (92556,92557,86235,86238,86229,89593,89594,91938,86231,91937,91939,91940,91941,91942,91943,86856,86228,86223,89004,91961,91962,91963,91964,91965,91966,91967,86227,82403,82410,82424,89591,89592,86226,86237,86230,91993,91994,91995,91996,91997,91998,91999,82362,91960,82360,91953,91954,91955,91956,91957,91958,91959,84290,82404,82342,82367,86236,86222,82338,82337,82406,82412,82426,86224,91978,91981,82563,82567,82571,82333,86225,91977,91979,91980,91982,91983,82556,85583,89595,89596,89597,82335,82336,82401,82409,82419,82405,82411,82425,91992,91936,91970,91973,86234,82374,91985))"
          }
        },
        {
          "table": {
            "table_name": "product_position_source",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "pt"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id",
              "product_id"
            ],
            "key_length": "6",
            "ref": [
              "const",
              "nuie_scalesta_net.cscart_products_categories.product_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 5,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.33",
              "eval_cost": "0.53",
              "prefix_cost": "123.62",
              "data_read_per_join": "85"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "position"
            ]
          }
        }
      ]
    }
  }
}