Sandbox

SELECT 
  cscart_settings_objects.object_id as object_id, 
  name, 
  section_id, 
  section_tab_id, 
  type, 
  position, 
  is_global, 
  cscart_settings_objects.name as description, 
  (
    CASE WHEN storefront_values.object_id IS NOT NULL THEN storefront_values.value ELSE cscart_settings_objects.value END
  ) AS value 
FROM 
  cscart_settings_objects 
  LEFT JOIN cscart_settings_vendor_values AS storefront_values ON storefront_values.object_id = cscart_settings_objects.object_id 
  AND storefront_values.storefront_id = 1 
  AND storefront_values.company_id = 0 
WHERE 
  1 
  AND section_id = 123 
  AND (
    FIND_IN_SET(
      'STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ROOT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:ROOT', cscart_settings_objects.edition_type
    )
  ) 
  AND cscart_settings_objects.type <> 'H' 
ORDER BY 
  cscart_settings_objects.position

Query time 0.00991

JSON explain

{
  "query_block": {
    "select_id": 1,
    "read_sorted_file": {
      "filesort": {
        "sort_key": "cscart_settings_objects.position",
        "table": {
          "table_name": "cscart_settings_objects",
          "access_type": "ref",
          "possible_keys": ["section_id"],
          "key": "section_id",
          "key_length": "4",
          "used_key_parts": ["section_id"],
          "ref": ["const"],
          "rows": 8,
          "filtered": 100,
          "attached_condition": "cscart_settings_objects.section_id <=> 123 and (find_in_set('STOREFRONT',cscart_settings_objects.edition_type) or find_in_set('ROOT',cscart_settings_objects.edition_type) or find_in_set('MVE:STOREFRONT',cscart_settings_objects.edition_type) or find_in_set('MVE:ROOT',cscart_settings_objects.edition_type)) and cscart_settings_objects.`type` <> 'H'"
        }
      }
    },
    "table": {
      "table_name": "storefront_values",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY", "storefront_id", "company_id"],
      "key": "PRIMARY",
      "key_length": "11",
      "used_key_parts": ["object_id", "company_id", "storefront_id"],
      "ref": ["devmotorsbay.cscart_settings_objects.object_id", "const", "const"],
      "rows": 1,
      "filtered": 100
    }
  }
}

Result

object_id	name	section_id	section_tab_id	type	position	is_global	description	value
5978	hide_products	123	124	D	0	N	hide_products	N
5979	block_admin_panel	123	124	D	10	N	block_admin_panel	N
5980	disable_suspended_vendors	123	124	D	20	N	disable_suspended_vendors	Y
5981	days_before_disable	123	124	D	30	N	days_before_disable	90
5982	default_lowers_allowed_balance	123	124	I	40	N	default_lowers_allowed_balance	0
5983	default_grace_period_to_refill_balance	123	124	I	50	N	default_grace_period_to_refill_balance	7
5984	vendor_taxes	123	124	N	60	N	vendor_taxes	N
5985	global_lowers_allowed_balance	123	124	I	70	N	global_lowers_allowed_balance	0
5986	global_grace_period_to_refill_balance	123	124	I	80	N	global_grace_period_to_refill_balance
5987	settings_template	123	124	E	90	N	settings_template	settings.tpl