Sandbox

SELECT 
  COUNT(*) 
FROM 
  cscart_advanced_banners 
  LEFT JOIN cscart_advanced_banner_descriptions ON cscart_advanced_banner_descriptions.banner_id = cscart_advanced_banners.banner_id 
  AND cscart_advanced_banner_descriptions.lang_code = 'en' 
WHERE 
  1 
  AND cscart_advanced_banner_descriptions.banner LIKE '%test%' 
  AND cscart_advanced_banners.status = 'A'

Query time 0.00124

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}

Result

COUNT(*)
0