UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xPAgtvIankpxQo1j0KzHV/YaFi0CYcBm8fEv1BOD/wQ=' 
WHERE 
  key_id = '841b491d82ac52de221c67e57afbb81bf4177da302cec4c8cd705be4b4a75844' 
  AND (
    token = 'xPAgtvIankpxQo1j0KzHV/YaFi0CYcBm8fEv1BOD/wQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )