A lien created under this article may be discharged by:
a. Filing with the financial officer of the public agency a duly acknowledged or proved certificate of the claimant or his successor in interest, or his duly authorized attorney or agent or his attorney of record, stating that the lien is discharged;
b. The lapse of 60 days since the completion of the work to be performed or the acceptance of the same by resolution of the public agency without the commencement of an action to enforce the lien claim or the filing of answer, within the time allowed by the practice of, or within such time as may be allowed him by, the superior court, asserting such lien in an action brought by another claimant;
c. Satisfaction of a judgment rendered in an action to enforce the lien or claim; or
d. The final judgment of the superior court in an action to enforce the lien to which the claimant was a party.