A depositary for hire has a lien for storage charges and for advances and insurance incurred at the request of the bailor, and for money necessarily expended in and about the care, preservation and keeping of the property stored, and he also has a lien for money advanced at the request of the bailor, to discharge a prior lien, and for the expenses of a sale where default has been made in satisfying a valid lien. The rights of the depositary for hire to such lien are regulated by the title on liens.