UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mw431W4wblYZOotU6WvDGQ+ii3SedDgJckeIiWSe+xA=' 
WHERE 
  key_id = '79351554b4b41d70bef69528b33a1e8b88766cf9cced3ca7d3f1cd8c0eaf2d7d' 
  AND (
    token = 'Mw431W4wblYZOotU6WvDGQ+ii3SedDgJckeIiWSe+xA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )