SELECT 
  * 
FROM 
  cscart_settings_sections 
WHERE 
  name = 'Thumbnails' 
  AND type = 'CORE' 
  AND (
    FIND_IN_SET(
      'STOREFRONT', cscart_settings_sections.edition_type
    ) 
    OR FIND_IN_SET(
      'ROOT', cscart_settings_sections.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:STOREFRONT', cscart_settings_sections.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:ROOT', cscart_settings_sections.edition_type
    )
  )

Query time 0.00026

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_settings_sections",
      "access_type": "ALL",
      "rows": 153,
      "filtered": 100,
      "attached_condition": "cscart_settings_sections.`name` = 'Thumbnails' and cscart_settings_sections.`type` = 'CORE' and (find_in_set('STOREFRONT',cscart_settings_sections.edition_type) or find_in_set('ROOT',cscart_settings_sections.edition_type) or find_in_set('MVE:STOREFRONT',cscart_settings_sections.edition_type) or find_in_set('MVE:ROOT',cscart_settings_sections.edition_type))"
    }
  }
}