Okla. Stat. tit. 42, § 18
Every person having an interest in property subject to a lien, has a right to redeem it from the lien, at any time after the claim is due, and before his right of redemption is foreclosed.
R.L. 1910, § 3839; Amended by Laws 1988, HB 2003, c. 100, § 1, emerg. eff. April 1, 1988.