UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWdg0H8yjPXB+VzBmtjIpcEv3CGBdhDDUYowStlVNMI=' 
WHERE 
  key_id = '30fab143a5a61b629a34d81a13525ad8973f0541d95881763a9ac350cd11bb68' 
  AND (
    token = 'QWdg0H8yjPXB+VzBmtjIpcEv3CGBdhDDUYowStlVNMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )