UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't1IqEEn4u7epLQV62TfIWcOYzUyFSpDaXxPjroQny5w=' 
WHERE 
  key_id = '6db4651cf6452a715712e91119a744d865508004e5fa952b3c5688e1e2c8df84' 
  AND (
    token = 't1IqEEn4u7epLQV62TfIWcOYzUyFSpDaXxPjroQny5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )