UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l2NKQyd6nu1Ghw2WhOnRuBg+eHfUmJAaSbtXd1fCfio=' 
WHERE 
  key_id = 'a640c169ef86e733256979809bbe851cc398159915f1c85015be29e3f688218f' 
  AND (
    token = 'l2NKQyd6nu1Ghw2WhOnRuBg+eHfUmJAaSbtXd1fCfio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )