SELECT me.id, me.msg, me.box, me.free_lock, IS_FREE_LOCK( box ) AS free_lock FROM queue me WHERE ( free_lock ) ORDER BY id: 
DBIx::Class::ResultSet::first(): DBI Exception: DBD::mysql::st execute failed: Unknown column 'me.free_lock' in 'field list' [for Statement "SELECT me.id, me.msg, me.box, me.free_lock, IS_FREE_LOCK( box ) AS free_lock FROM queue me WHERE ( free_lock ) ORDER BY id"]