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 = 101 
  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 0.00097

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": 31,
          "filtered": 100,
          "attached_condition": "cscart_settings_objects.section_id <=> 101 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
5924 clear_url 101 102 O 10 N clear_url
5925 cron_command 101 102 E 20 N cron_command cron_command.tpl
5927 site_change 101 102 S 40 N site_change daily
5928 site_priority 101 102 S 50 N site_priority 1
5930 include_products 101 102 C 70 N include_products Y
5931 products_change 101 102 S 80 N products_change daily
5932 products_priority 101 102 S 90 N products_priority 0.5
5934 include_categories 101 102 C 110 N include_categories Y
5935 categories_change 101 102 S 120 N categories_change daily
5936 categories_priority 101 102 S 130 N categories_priority 0.5
5938 include_pages 101 102 C 150 N include_pages Y
5939 pages_change 101 102 S 160 N pages_change daily
5940 pages_priority 101 102 S 170 N pages_priority 0.5
5942 include_extended 101 102 C 190 N include_extended Y
5943 extended_change 101 102 S 200 N extended_change daily
5944 extended_priority 101 102 S 210 N extended_priority 0.5
5946 include_companies 101 102 C 230 N include_companies Y
5947 companies_change 101 102 S 240 N companies_change daily
5948 companies_priority 101 102 S 250 N companies_priority 0.5