SELECT 
  tconnect_settings_objects.object_id as object_id, 
  tconnect_settings_objects.type as object_type, 
  tconnect_settings_objects.name as description, 
  (
    CASE WHEN storefront_values.object_id IS NOT NULL THEN storefront_values.value ELSE tconnect_settings_objects.value END
  ) AS value 
FROM 
  tconnect_settings_objects 
  LEFT JOIN tconnect_settings_vendor_values AS storefront_values ON storefront_values.object_id = tconnect_settings_objects.object_id 
  AND storefront_values.storefront_id = 3 
  AND storefront_values.company_id = 0 
WHERE 
  1 
  AND (
    FIND_IN_SET(
      'STOREFRONT', tconnect_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ROOT', tconnect_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:STOREFRONT', tconnect_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:ROOT', tconnect_settings_objects.edition_type
    )
  ) 
  AND tconnect_settings_objects.object_id = 5962 
ORDER BY 
  tconnect_settings_objects.position

Query time 0.00118

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "storefront_values",
          "access_type": "system",
          "possible_keys": ["PRIMARY", "storefront_id", "company_id"],
          "rows": 0,
          "filtered": 0,
          "const_row_not_found": true
        }
      },
      {
        "table": {
          "table_name": "tconnect_settings_objects",
          "access_type": "const",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["object_id"],
          "ref": ["const"],
          "rows": 1,
          "filtered": 100
        }
      }
    ]
  }
}

Result

object_id object_type description value
5962 D sidebar_color #eef1f3