UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+nWU+VtgQtQtYeakPLwncIcykbQZCsb0457jh0vGDQ=' 
WHERE 
  key_id = '0aa997590a340bb7e930396cef42f89800b8faa45c29ce62389ac8621b41d848' 
  AND (
    token = 'S+nWU+VtgQtQtYeakPLwncIcykbQZCsb0457jh0vGDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )