UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QATWVnx9EicvkMZ862YVIQhuGSJLyL6QO5uvknMrVhM=' 
WHERE 
  key_id = '5f35f8aa8466c2fad9e3b6968d957b65e3a9a19de9225013e384912a43993e41' 
  AND (
    token = 'QATWVnx9EicvkMZ862YVIQhuGSJLyL6QO5uvknMrVhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )