UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lwh5pWt2N0BtZsB5ZOVq11A+48aQVdE80lpIoeLFo4=' 
WHERE 
  key_id = 'a8343bd8189545cccd2fe35e472cc74f4e53c9903e20f93f488fd98c15f83944' 
  AND (
    token = '6lwh5pWt2N0BtZsB5ZOVq11A+48aQVdE80lpIoeLFo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )