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 = 90 
  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 0.00091

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "storefront_values",
      "access_type": "system",
      "possible_keys": ["PRIMARY", "storefront_id", "company_id"],
      "rows": 0,
      "filtered": 0,
      "const_row_not_found": true
    },
    "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": 22,
          "filtered": 100,
          "attached_condition": "cscart_settings_objects.section_id <=> 90 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'"
        }
      }
    }
  }
}

Result

object_id name section_id section_tab_id type position is_global description value
5879 product_posts_per_page 90 91 I 0 N product_posts_per_page 10
5884 category_posts_per_page 90 92 I 0 N category_posts_per_page 10
5888 order_posts_per_page 90 93 I 0 N order_posts_per_page 10
5890 page_posts_per_page 90 94 I 0 N page_posts_per_page 10
5894 home_page_posts_per_page 90 95 I 0 N home_page_posts_per_page 10
5898 company_discussion_type 90 96 S 0 N company_discussion_type D
5880 product_post_approval 90 91 S 10 N product_post_approval any
5885 category_post_approval 90 92 S 10 N category_post_approval any
5889 order_initiate 90 93 C 10 N order_initiate Y
5891 page_post_approval 90 94 S 10 N page_post_approval disabled
5895 home_page_post_approval 90 95 S 10 N home_page_post_approval any
5899 company_only_buyers 90 96 C 10 N company_only_buyers Y
5881 product_post_ip_check 90 91 C 20 N product_post_ip_check N
5886 category_post_ip_check 90 92 C 20 N category_post_ip_check N
5892 page_post_ip_check 90 94 C 20 N page_post_ip_check N
5896 home_page_post_ip_check 90 95 C 20 N home_page_post_ip_check Y
5900 company_posts_per_page 90 96 I 20 N company_posts_per_page 10
5882 product_discussion_type 90 91 S 30 N product_discussion_type D
5887 category_discussion_type 90 92 S 30 N category_discussion_type D
5893 page_discussion_type 90 94 S 30 N page_discussion_type D
5897 home_page_testimonials 90 95 S 30 N home_page_testimonials B
5901 company_post_approval 90 96 S 30 N company_post_approval any
5902 company_post_ip_check 90 96 C 40 N company_post_ip_check N
5883 product_review_after_purchase 90 91 C 50 N product_review_after_purchase N