UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NwwNJlWmm7az2mFGXP/1ZFa9OKXu1ZwgthU0/6t5mtA=' 
WHERE 
  key_id = '3843f0f2a49ae60027273c31fe0ba0695185b277d6994f0ea6af434d7fd3b438' 
  AND (
    token = 'NwwNJlWmm7az2mFGXP/1ZFa9OKXu1ZwgthU0/6t5mtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )