UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fuNc04dBTnS+LZm0cXCZJGXeX9mCaCgfa6CHvg4tlAk=' 
WHERE 
  key_id = '68f1a15c80c829e5477c5383c198c438201d14c42ee10d7222847657d084587d' 
  AND (
    token = 'fuNc04dBTnS+LZm0cXCZJGXeX9mCaCgfa6CHvg4tlAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )