UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kwS5v/ur1BgttRWuOFEQrGfRP1iTyFkUx5pw1sx+BMU=' 
WHERE 
  key_id = '15b7f44f8016e1912fab99dc919c04ab93e3fb573f061352576f8a5b6c314f6f' 
  AND (
    token = 'kwS5v/ur1BgttRWuOFEQrGfRP1iTyFkUx5pw1sx+BMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )