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 company_values.object_id IS NOT NULL THEN company_values.value 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 company_values ON company_values.object_id = cscart_settings_objects.object_id 
  AND company_values.company_id = 1 
  AND company_values.storefront_id = 1 
  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 = 5 
  AND (
    FIND_IN_SET(
      'STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'VENDOR', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ROOT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ULT:STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ULT:VENDOR', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ULT:ROOT', cscart_settings_objects.edition_type
    )
  ) 
  AND cscart_settings_objects.type <> 'H' 
ORDER BY 
  cscart_settings_objects.position

Query time 0.00034

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE company_values system PRIMARY,storefront_id,company_id 0 const row not found
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 15 Using where; Using filesort

Result

object_id name section_id section_tab_id type position is_global description value
31 company_name 5 0 I 0 Y company_name CS-Cart
27 company_address 5 0 I 10 Y company_address 44 Main street
26 company_city 5 0 I 20 Y company_city Dnepr
34 company_country 5 0 X 30 Y company_country UA
25 company_state 5 0 W 40 Y company_state 12
33 company_zipcode 5 0 I 50 Y company_zipcode 49000
28 company_phone 5 0 L 60 Y company_phone +1(917)722-7425
29 company_phone_2 5 0 L 70 Y company_phone_2
32 company_website 5 0 I 90 Y company_website http://www.example.com/
40 company_start_year 5 0 I 95 Y company_start_year 2004
35 company_users_department 5 0 I 100 Y company_users_department dimaninyuk@gmail.com
36 company_site_administrator 5 0 I 110 Y company_site_administrator dimaninyuk@gmail.com
37 company_orders_department 5 0 I 120 Y company_orders_department dimaninyuk@gmail.com
38 company_support_department 5 0 I 130 Y company_support_department dimaninyuk@gmail.com
39 company_newsletter_email 5 0 I 140 Y company_newsletter_email dimaninyuk@gmail.com