UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd12MGM+AQwzcJ4uvQCkDwYpUmgwGg3kYxADO+vt0iSA=' 
WHERE 
  key_id = '6821bd5f4159527c9308aa22483e4b1277e2e77accdd1b6c03425c3769c1d109' 
  AND (
    token = 'd12MGM+AQwzcJ4uvQCkDwYpUmgwGg3kYxADO+vt0iSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )