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 = 31 
  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 0.00100

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": 10,
          "filtered": 100,
          "attached_condition": "cscart_settings_objects.section_id <=> 31 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
5726 em_show_on_checkout 31 32 C 0 N em_show_on_checkout N
5733 em_mailchimp_api_key 31 33 I 0 N em_mailchimp_api_key
5735 em_madmimi_username 31 34 I 0 N em_madmimi_username
5727 em_checkout_enabled 31 32 C 10 N em_checkout_enabled N
5734 em_mailchimp_list 31 33 S 10 N em_mailchimp_list
5736 em_madmimi_api_key 31 34 I 10 N em_madmimi_api_key
5728 em_double_opt_in 31 32 C 20 N em_double_opt_in N
5737 em_madmimi_list 31 34 S 20 N em_madmimi_list
5729 em_welcome_letter 31 32 C 30 N em_welcome_letter N
5730 em_service 31 32 S 40 N em_service dummy
5731 em_token 31 32 D 50 N em_token 9881f2ac9f462bcb17f0dcf1b61f4bf3
5732 em_lastsync 31 32 D 60 N em_lastsync 1668436202