UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WDJH7z720gIn3BUwbClN+UTEbstxvU7EAOgPECNPgzs=' 
WHERE 
  key_id = '9e52920036f7daf9a9f62adb66f050db758d928d454ac9ccfb1915bbe4be7740' 
  AND (
    token = 'WDJH7z720gIn3BUwbClN+UTEbstxvU7EAOgPECNPgzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )