<csw:Transaction service="CSW"
   version="2.0.2" xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
   xmlns:ogc="http://www.opengis.net/ogc">
  <csw:Delete typeName="csw:Record" handle="something">
    <csw:Constraint version="2.0.0">
      <csw:CqlText>
        title = '$title$'
      </csw:CqlText>
    </csw:Constraint>
  </csw:Delete>
</csw:Transaction>