Mo. Rev. Stat. § 443.400: Redemption before sale.

If such property is redeemed by payment to the officer before the sale, such officer shall make a certificate of such redemption, and acknowledge the same before some officer authorized to take acknowledgments of deeds for lands; and such certificate shall be recorded in the office in which the security instrument is recorded, and shall have the same effect as if a deed of release has been filed for record.