UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JwiPTtw9tHdg33qhLWOyT10w0cTqMpXQCWYbkjQO5vc=' 
WHERE 
  key_id = '50bd8c43db68aa9721a69344785b1123e526b8ba9007ad98bf874e9a4befc86f' 
  AND (
    token = 'JwiPTtw9tHdg33qhLWOyT10w0cTqMpXQCWYbkjQO5vc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )