UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ig0B+fbRwWmEwIAeQnpQCgkd/WVyJgkwOTvTwY5xEKQ=' 
WHERE 
  key_id = 'd8229545b9dad23c88341a39900893ff66871a909bf1fcb49c97a4f3b79fc328' 
  AND (
    token = 'Ig0B+fbRwWmEwIAeQnpQCgkd/WVyJgkwOTvTwY5xEKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )