UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xwPqvEje84+YGkwD+S8zMK0DDU6vNeChAHsTrFMgqrI=' 
WHERE 
  key_id = 'c6b28a460c299fcce35ecbb6467d8161f7c4bbcd5c832a7379298e9cf4fa9466' 
  AND (
    token = 'xwPqvEje84+YGkwD+S8zMK0DDU6vNeChAHsTrFMgqrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )