UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fxrUeUkQZYZkt3um0rPah6YhWUakL7aOERNVLA2QcXA=' 
WHERE 
  key_id = '4a749a4f93272339b4f70929c8041e5dfb96c992f8e1236e841666c86193c7f1' 
  AND (
    token = 'fxrUeUkQZYZkt3um0rPah6YhWUakL7aOERNVLA2QcXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )