UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8G+ee+MtKhsdzP7e6/7vevquZZsQEzCbCNIQc5/gyw=' 
WHERE 
  key_id = '4e87c9c5fc165757f5e59c05cd3472247d8adaafc32f61fe30072e84e9758506' 
  AND (
    token = 'a8G+ee+MtKhsdzP7e6/7vevquZZsQEzCbCNIQc5/gyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )