UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3bjlBf9eKWabFa4ubeK6EnFq6JWjwXS7mxKI9nF9gxw=' 
WHERE 
  key_id = 'a856684dbbbb137664a8db4de2463bebdbb95fe23becdd64e07dd29d2cc89759' 
  AND (
    token = '3bjlBf9eKWabFa4ubeK6EnFq6JWjwXS7mxKI9nF9gxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )