UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6o0YWWXee4P6sAOMogc9avfHcCpQrtrSZmHs64nkuAw=' 
WHERE 
  key_id = '55e188ab22493fc22de208211bba02843dbe5a437ffafa0d6308a70647eee4b9' 
  AND (
    token = '6o0YWWXee4P6sAOMogc9avfHcCpQrtrSZmHs64nkuAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )