UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zK2WjkmxE5cE77rUY1ln6rB2iQlzwOgvjVnmQfhKf6I=' 
WHERE 
  key_id = '176f541ad05f64736c803509f12b48370ce97d70255863c158c2af19d3172da3' 
  AND (
    token = 'zK2WjkmxE5cE77rUY1ln6rB2iQlzwOgvjVnmQfhKf6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )