UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdDvQW6MKDJhAh2ZuxUfCkCPzsNexfVQgAmUYvLMVgM=' 
WHERE 
  key_id = 'a0ee83e3d1dc4edcfd41d141a644deed938bb6eea1694675e54bf571fede1846' 
  AND (
    token = 'mdDvQW6MKDJhAh2ZuxUfCkCPzsNexfVQgAmUYvLMVgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )