UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LnOzW+aJ7EoXu9tB0dVtjc17ZcMv907fbf8wvD6du6E=' 
WHERE 
  key_id = '6c2253d373b9a8f52915a3109df503dc6b54a44792e00f7a7cd153ad954f28ba' 
  AND (
    token = 'LnOzW+aJ7EoXu9tB0dVtjc17ZcMv907fbf8wvD6du6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )