UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rNCLXDey+PgTFLd8oYrYwOqHfTFapb+V9TojiGXqips=' 
WHERE 
  key_id = '51f848e9da34c43b5dfbf71781fb6c75e079119f3018da3eccb8134369594ed9' 
  AND (
    token = 'rNCLXDey+PgTFLd8oYrYwOqHfTFapb+V9TojiGXqips=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )