UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VQlIA1MuqCuLK5c8t2gzdiJnC+9m04GduylRZPnYDXk=' 
WHERE 
  key_id = 'c011335a4cd81b900970055d23e00276cf6b8254f5b41a14e8117234e4013f5f' 
  AND (
    token = 'VQlIA1MuqCuLK5c8t2gzdiJnC+9m04GduylRZPnYDXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )