UPDATE ordersalon o
        LEFT JOIN ordersalon x ON x.`sess_data` = '3841319,,,,,,'
        SET o.`sess_data` = '3841319,,,,,,'
        WHERE o.`id` = 'tno5mfc6kioa84e2b9mio47mgf'
          AND o.`id` <> ''
          AND x.`sess_data` IS NULL
     [nativecode=1213 ** Deadlock found when trying to get lock; try restarting transaction]