UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'intJTtbFl9/kBediVEu6rVx3N418mfLy6GJhNbzSrBY=' 
WHERE 
  key_id = '68f1be7392fc6ffb6d9fbfacbc6c371d0968c2a201d9a2d118c6db7d45b52a90' 
  AND (
    token = 'intJTtbFl9/kBediVEu6rVx3N418mfLy6GJhNbzSrBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )