Mo. Rev. Stat. § 546.680

When judgment of death is rendered by any court of competent jurisdiction, a warrant signed by the judge and attested by the clerk under the seal of the court must be drawn and delivered to the sheriff. It must state the conviction and judgment and appoint a day on which the judgment must be executed, which must not be less than thirty nor more than sixty days from the date of judgment, and must direct the sheriff to deliver the defendant, at a time specified in said order, not more than ten days from the date of judgment, to the chief administrative officer of a correctional facility of the department of corrections, for execution.