UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ccXpLHBP7wLWPl1inDQvWl5qWdOGWBdxD6XUEt6XZg=' 
WHERE 
  key_id = 'a4d18045e0e2093048b8535580f75e0c3effd6c9502525eb273b5cdf3d2ea15d' 
  AND (
    token = '5ccXpLHBP7wLWPl1inDQvWl5qWdOGWBdxD6XUEt6XZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )