UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nG3MhXiiteV2fUTuNwJbZHRe7fT+IewBctWKGaSLMwc=' 
WHERE 
  key_id = '12f8d8e6366e043cdfd876cd087726755947fc3057c693dbbdbbad064de761d2' 
  AND (
    token = 'nG3MhXiiteV2fUTuNwJbZHRe7fT+IewBctWKGaSLMwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )