UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+dPRScTjXCCKFFMSMNduar6iVWHM/C/dClkZYR7OrJE=' 
WHERE 
  key_id = '9cbce53594b7efc69e4bb388b35e89b2b35f97e24e1797ac833466c346cc4174' 
  AND (
    token = '+dPRScTjXCCKFFMSMNduar6iVWHM/C/dClkZYR7OrJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )