UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EHthiPb7yw4yUp7yz8uMIc3PNOPphsprmd82eTF9Mzs=' 
WHERE 
  key_id = '219318322b9264d5dfe3e7670b9058a2f4605460f27c4e8f184286ea79601183' 
  AND (
    token = 'EHthiPb7yw4yUp7yz8uMIc3PNOPphsprmd82eTF9Mzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )