UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Slxn18WUSp27ygNfEYmH3jwHnbgj40JlW7ASJKdyTiU=' 
WHERE 
  key_id = '98ba820e591257bedc22f6146c1dd03954740103de447a3682125216af8f3cab' 
  AND (
    token = 'Slxn18WUSp27ygNfEYmH3jwHnbgj40JlW7ASJKdyTiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )