UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zOw6QrS0WU5tsLX+WPK/wU1ZBdh+/bnrvMIfPXg7Ttk=' 
WHERE 
  key_id = 'a05d8e58ad6d9ad32f4886f911a34df0831916b59953242f73060610983c1b17' 
  AND (
    token = 'zOw6QrS0WU5tsLX+WPK/wU1ZBdh+/bnrvMIfPXg7Ttk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )