UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/jX/fvzW56gDfFqSxYu9NATS4A37SvRqb2DhWHFIZo0=' 
WHERE 
  key_id = '27cd4fc86f788c034e7788f131cf169e3b731905073f1018c77a4c8b162d1119' 
  AND (
    token = '/jX/fvzW56gDfFqSxYu9NATS4A37SvRqb2DhWHFIZo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )