Sandbox

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 = 34 
  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 0.00028

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
5736	em_show_on_checkout	34	35	C	0	N	em_show_on_checkout	N
5743	em_mailchimp_api_key	34	36	I	0	N	em_mailchimp_api_key
5745	em_madmimi_username	34	37	I	0	N	em_madmimi_username
5737	em_checkout_enabled	34	35	C	10	N	em_checkout_enabled	N
5744	em_mailchimp_list	34	36	S	10	N	em_mailchimp_list
5746	em_madmimi_api_key	34	37	I	10	N	em_madmimi_api_key
5738	em_double_opt_in	34	35	C	20	N	em_double_opt_in	N
5747	em_madmimi_list	34	37	S	20	N	em_madmimi_list
5739	em_welcome_letter	34	35	C	30	N	em_welcome_letter	N
5740	em_service	34	35	S	40	N	em_service	dummy
5741	em_token	34	35	D	50	N	em_token	24970d305efef4ad34dde59ea168ab9c
5742	em_lastsync	34	35	D	60	N	em_lastsync	1695681365