UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ElD6OEzvf0IyYaHAijd0+t0hGhMSLJsXti0ML95vuvs=' 
WHERE 
  key_id = '4ba8af2777847fb7a6a0ee92242f479a41eb7ad0ca4d7d5608e35e54afabe52d' 
  AND (
    token = 'ElD6OEzvf0IyYaHAijd0+t0hGhMSLJsXti0ML95vuvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )