Verificar:
$mysqlqry =
Los “bookings_items de la ACTUALIZACIÓN FIJADOS desc_en =”.
“(CONCAT SELECTO (“#”, prty_id, “: ”, property.prty_title) de la característica “.
“DONDE bookings_items.id_ref_external = property.prty_id)”.
“DONDE id_ref_external = $_POST [new_id]”;