UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HYvJlRzkwZTtYsoHa+ErwJDQFiNv1jevJ37IYqyuYbU=' 
WHERE 
  key_id = '81851c84911e4e0be231622268f9d596255d6b5796e0d43fde2e03bec974fd28' 
  AND (
    token = 'HYvJlRzkwZTtYsoHa+ErwJDQFiNv1jevJ37IYqyuYbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )