UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KGXeZPHKhyd2aF72emdcQCa9cIppgTauBEdWkt24gsg=' 
WHERE 
  key_id = '6439afebd8385069331a85e6f2abbef1f2e9818999f6174703d7e3af5d7ad5bb' 
  AND (
    token = 'KGXeZPHKhyd2aF72emdcQCa9cIppgTauBEdWkt24gsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )