UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xK8wWwAd577K3LQqQKhTYudYabyojI7vl+qg8x5If4o=' 
WHERE 
  key_id = '8b93523b4675f5d612d95bdc06d245c388bff09970cf04dcba31c97e0a26b79e' 
  AND (
    token = 'xK8wWwAd577K3LQqQKhTYudYabyojI7vl+qg8x5If4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )