Mo. Rev. Stat. § 546.870

It shall be the duty of the clerk of the court having criminal jurisdiction for the county at the end of each term, to issue executions for all fines imposed, and the costs of conviction in criminal cases, during the term and remaining unpaid, which shall be executed in the same manner as executions in civil cases; and the property of the defendant may be seized and sold thereon, notwithstanding he may be in custody for the same demand.