UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zvFzNRxP+vNri6dnycs/UHKFXo5fwN6LEl9Zd4jiSCw=' 
WHERE 
  key_id = '31d43a4cb01a06d9362fe4bce6a93c882dce75d29380d83a94a73c2f7520ee8f' 
  AND (
    token = 'zvFzNRxP+vNri6dnycs/UHKFXo5fwN6LEl9Zd4jiSCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )