UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PHuTq89n+UFMVrVhfBT4O8vMMsaSp4xTcikRzFOTerU=' 
WHERE 
  key_id = 'a8ccf8d0388a9b6e0f8c9fbc7856467e5a8bb69aa7e84d4f1416d011cdd62abc' 
  AND (
    token = 'PHuTq89n+UFMVrVhfBT4O8vMMsaSp4xTcikRzFOTerU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )