UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q3zIko/rAz6wU76sGIlDDiaNScq0T8XaX5zsjCGOAw0=' 
WHERE 
  key_id = '1d821aeaff5a8102924d35761f7bdaef592d157c0645be13c5211cd6aa94897c' 
  AND (
    token = 'Q3zIko/rAz6wU76sGIlDDiaNScq0T8XaX5zsjCGOAw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )