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 = 84 
  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 0.00030

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE storefront_values system PRIMARY,storefront_id,company_id 0 const row not found
1 SIMPLE cscart_settings_objects ref section_id section_id 4 const 11 Using where; Using filesort

Result

object_id name section_id section_tab_id type position is_global description value
5863 admin_reverse_ip_access 84 85 C 10 N admin_reverse_ip_access
5864 unsuccessful_attempts_login 84 85 C 20 N unsuccessful_attempts_login
5865 number_unsuccessful_attempts 84 85 I 30 N number_unsuccessful_attempts 5
5866 login_intervals 84 85 I 40 N login_intervals 60
5867 time_block 84 85 I 50 N time_block 24
5869 unsuccessful_attempts_login_customer 84 85 C 70 N unsuccessful_attempts_login_customer
5870 number_unsuccessful_attempts_customer 84 85 I 80 N number_unsuccessful_attempts_customer 5
5871 login_intervals_customer 84 85 I 90 N login_intervals_customer 60
5872 time_block_customer 84 85 I 100 N time_block_customer 24