UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aziu2cr/J5jYFbtf5hguzadP1uFsb1uX+W0IBkj0eMU=' 
WHERE 
  key_id = 'f1f395f064a2dfdaf745247620b127cf697ee4e95e416cd718003fcb56ee5833' 
  AND (
    token = 'aziu2cr/J5jYFbtf5hguzadP1uFsb1uX+W0IBkj0eMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )