UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8k3xaOWLWHiuQ+B6CzIl1XCTZ2J7sSlt5GH+y9IwMg=' 
WHERE 
  key_id = 'f5a79cbb533937ca8b135cda49faed40cff7cceeb27d589649da9a152658d7aa' 
  AND (
    token = 'z8k3xaOWLWHiuQ+B6CzIl1XCTZ2J7sSlt5GH+y9IwMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )