UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H68WJO3HNPMYqz9FQQ5cmByfiWdGgv5oMZBAshupYrc=' 
WHERE 
  key_id = 'e787edc963fc94fc06fb40da85a88884b7505be4678cb3f0c6386f4b766e8776' 
  AND (
    token = 'H68WJO3HNPMYqz9FQQ5cmByfiWdGgv5oMZBAshupYrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )