UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUZYIUyLZbA9207wDOoXFZyIGRtEQZhXNNG+ncZ7IaM=' 
WHERE 
  key_id = '6e2ddf88c17bce237114bba97b5ccd4ec6dac6484bc4e80287ee997c9dfabebd' 
  AND (
    token = 'mUZYIUyLZbA9207wDOoXFZyIGRtEQZhXNNG+ncZ7IaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )