UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pg4hJWo3htQpawijbiDlLRvn/rzPMeprdsvopzQtSFk=' 
WHERE 
  key_id = '787be02d32f45e2e6d2cb3578e08b59e822978e07f5c766c589b87f56e9830b6' 
  AND (
    token = 'Pg4hJWo3htQpawijbiDlLRvn/rzPMeprdsvopzQtSFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )