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 = 2 
  AND storefront_values.company_id = 0 
WHERE 
  1 
  AND section_id = 89 
  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 0.00448

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "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": 18,
              "filtered": 100,
              "attached_condition": "cscart_settings_objects.section_id <=> 89 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": [
            "batterycube.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
5869	product_posts_per_page	89	90	I	0	N	product_posts_per_page	10
5874	category_posts_per_page	89	91	I	0	N	category_posts_per_page	10
5878	order_posts_per_page	89	92	I	0	N	order_posts_per_page	10
5880	page_posts_per_page	89	93	I	0	N	page_posts_per_page	10
5884	home_page_posts_per_page	89	94	I	0	N	home_page_posts_per_page	10
5888	company_discussion_type	89	95	S	0	N	company_discussion_type	D
5870	product_post_approval	89	90	S	10	N	product_post_approval	any
5875	category_post_approval	89	91	S	10	N	category_post_approval	any
5879	order_initiate	89	92	C	10	N	order_initiate	Y
5881	page_post_approval	89	93	S	10	N	page_post_approval	disabled
5885	home_page_post_approval	89	94	S	10	N	home_page_post_approval	any
5889	company_only_buyers	89	95	C	10	N	company_only_buyers	Y
5871	product_post_ip_check	89	90	C	20	N	product_post_ip_check	N
5876	category_post_ip_check	89	91	C	20	N	category_post_ip_check	N
5882	page_post_ip_check	89	93	C	20	N	page_post_ip_check	N
5886	home_page_post_ip_check	89	94	C	20	N	home_page_post_ip_check	Y
5890	company_posts_per_page	89	95	I	20	N	company_posts_per_page	10
5872	product_discussion_type	89	90	S	30	N	product_discussion_type	D
5877	category_discussion_type	89	91	S	30	N	category_discussion_type	D
5883	page_discussion_type	89	93	S	30	N	page_discussion_type	D
5887	home_page_testimonials	89	94	S	30	N	home_page_testimonials	B
5891	company_post_approval	89	95	S	30	N	company_post_approval	any
5892	company_post_ip_check	89	95	C	40	N	company_post_ip_check	N
5873	product_review_after_purchase	89	90	C	50	N	product_review_after_purchase	N