Every association operating under the Savings and Loan Act, or any federal association doing business in this state, has a lien, without further agreement or pledge, upon all savings accounts owned by any member to whom, or on whose behalf, the association has made an advance of money by loan or otherwise and, the lien is a complete and perfected lien for the amount or amounts so advanced; upon the default in repayment or satisfaction thereof, the association may, without notice to, or consent of, the member, cancel on its books all or any part of the savings accounts owned by the member and apply the value of the accounts in payment on account of the obligation. An association may, by written instrument, waive its lien in whole or in part on any savings accounts. Any association may take the pledge of savings accounts of the association owned by a member other than the borrower as additional security for any loan secured by an account or by an account and real estate, or as additional security for any real estate loan.