SELECT 
  cscart_categories.category_id, 
  cscart_categories.parent_id, 
  cscart_categories.id_path, 
  cscart_category_descriptions.category, 
  cscart_categories.position, 
  cscart_categories.status, 
  cscart_categories.company_id, 
  cscart_categories.storefront_id, 
  cscart_categories.company_id, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path 
FROM 
  cscart_categories 
  LEFT JOIN cscart_category_descriptions ON cscart_categories.category_id = cscart_category_descriptions.category_id 
  AND cscart_category_descriptions.lang_code = 'de' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = cscart_categories.category_id 
  AND cscart_seo_names.type = 'c' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'de' 
  AND cscart_seo_names.company_id = cscart_categories.company_id 
WHERE 
  1 = 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') 
  AND cscart_categories.id_path LIKE '325/%' 
  AND cscart_categories.storefront_id IN (0, 1) 
ORDER BY 
  cscart_categories.is_trash asc, 
  cscart_categories.position asc, 
  cscart_category_descriptions.category asc

Query time 0.00113

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "4.44"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_categories",
            "access_type": "range",
            "possible_keys": [
              "c_status",
              "id_path"
            ],
            "key": "id_path",
            "used_key_parts": [
              "id_path"
            ],
            "key_length": "767",
            "rows_examined_per_scan": 9,
            "rows_produced_per_join": 0,
            "filtered": "2.00",
            "index_condition": "(`dbggbern`.`cscart_categories`.`id_path` like '325/%')",
            "cost_info": {
              "read_cost": "4.29",
              "eval_cost": "0.02",
              "prefix_cost": "4.31",
              "data_read_per_join": "738"
            },
            "used_columns": [
              "category_id",
              "parent_id",
              "id_path",
              "company_id",
              "usergroup_ids",
              "status",
              "position",
              "is_trash",
              "storefront_id"
            ],
            "attached_condition": "(((`dbggbern`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`dbggbern`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`dbggbern`.`cscart_categories`.`usergroup_ids`))) and (`dbggbern`.`cscart_categories`.`status` = 'A') and (`dbggbern`.`cscart_categories`.`storefront_id` in (0,1)))"
          }
        },
        {
          "table": {
            "table_name": "cscart_category_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "dbggbern.cscart_categories.category_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.05",
              "eval_cost": "0.02",
              "prefix_cost": "4.37",
              "data_read_per_join": "558"
            },
            "used_columns": [
              "category_id",
              "lang_code",
              "category"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_seo_names",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "dispatch"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "type",
              "dispatch",
              "lang_code",
              "company_id"
            ],
            "key_length": "210",
            "ref": [
              "dbggbern.cscart_categories.category_id",
              "const",
              "const",
              "const",
              "dbggbern.cscart_categories.company_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.05",
              "eval_cost": "0.02",
              "prefix_cost": "4.44",
              "data_read_per_join": "312"
            },
            "used_columns": [
              "name",
              "object_id",
              "company_id",
              "type",
              "dispatch",
              "path",
              "lang_code"
            ]
          }
        }
      ]
    }
  }
}

Result

category_id parent_id id_path category position status company_id storefront_id seo_name seo_path
661 329 325/329/661 Whispers in the Well 29 A 1 1 whispers-in-the-well 325/329
641 329 325/329/641 Fabled 30 A 1 1 fabled 325/329
329 325 325/329 Sets 30 A 1 1 sets 325
582 329 325/329/582 Reign of Jafar 35 A 1 1 reign-of-jafar 325/329
575 329 325/329/575 Archazias Island 40 A 1 1 archazias-island 325/329
330 325 325/330 Boosters 40 A 1 1 boosters 325
521 329 325/329/521 Azurite Sea 50 A 1 1 azurite-sea 325/329
331 325 325/331 Weitere Produkte 50 A 1 1 weitere-produkte 325
332 325 325/332 Einsteiger Produkte 60 A 1 1 einstieger-produkte 325
495 329 325/329/495 Shimmering Skies 60 A 1 1 shimmering-skies 325/329
335 325 325/335 Displays 70 A 1 1 displays 325
454 329 325/329/454 Ursula's Return 70 A 1 1 ursulas-return 325/329
417 329 325/329/417 Into the Inklands 80 A 1 1 into-the-inklands 325/329
327 329 325/329/327 Rise of the Floodborn 90 A 1 1 riseofthefloodborn 325/329
326 329 325/329/326 Chapter 1 100 A 1 1 chapter-1 325/329