Mo. Rev. Stat. § 548.171: Extension of time of commitment — adjournment.

If the accused is not arrested under warrant of the governor by the expiration of the time specified in the warrant or bond, a judge or associate circuit judge may discharge him or may recommit him for a further period not to exceed sixty days, or a judge or associate circuit judge may again take bail for his appearance and surrender, as provided in section 548.161, but within a period not to exceed sixty days after the date of such new bond.