UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lt8zdnKKQqjHwahA9lgK6qTa+lx2xoJ0S8bfzw/qKI0=' 
WHERE 
  key_id = '99159172bc1556e010f04b6e834d58d4a9f6c8c04fec3bf979c4192c823a8847' 
  AND (
    token = 'Lt8zdnKKQqjHwahA9lgK6qTa+lx2xoJ0S8bfzw/qKI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )