code: def dbStore(self, typ, py_value):
          
          if isinstance(py_value, datetime.datetime):
              return time.mktime(py_value.timetuple())
          else:
              return super(UTC_TimestampColumn, self).dbStore(typ, py_value)
docs: Converts the value to one that is safe to store on a record within
          the record values dictionary
  
          :param      value | <variant>
  
          :return     <variant>