UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UldHAULEw1jfh15HpLx5kYlmejqSovYOBVTzXCczh/8=' 
WHERE 
  key_id = '240ba4f4a0e7b57432f3a77c0bac511e441f7fc0e42e8a80bc79374d517855de' 
  AND (
    token = 'UldHAULEw1jfh15HpLx5kYlmejqSovYOBVTzXCczh/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )