UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QiRbqIKPKqRreod+UhYcfMaGsp9cTNYUQHNFJIGYQsg=' 
WHERE 
  key_id = '81639de8a92c1160061b9526a64c0395afbb040d2574e0dc3825267c22ac7172' 
  AND (
    token = 'QiRbqIKPKqRreod+UhYcfMaGsp9cTNYUQHNFJIGYQsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )