UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMcVbTazroRzQImVWGPAkg6mmYCGdh7ZdxohjX6KNZs=' 
WHERE 
  key_id = '742aabe4abe61d54d2c269602ef54d96c985cf1cb6cdfe421a974443820f9578' 
  AND (
    token = 'RMcVbTazroRzQImVWGPAkg6mmYCGdh7ZdxohjX6KNZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )