UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EvSWHFsqKZdD92DkIv92r6Xta6Ob8rKnIlhSqPDYKcA=' 
WHERE 
  key_id = 'a661a7f390839229d3b957848865c5b9e7e22b0ac052f18ff0da6f1961c3e7c1' 
  AND (
    token = 'EvSWHFsqKZdD92DkIv92r6Xta6Ob8rKnIlhSqPDYKcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )