UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8/hLqGlt+0AYe6GQRIC2xlnXVhhz0Y3dolhrNYclhE=' 
WHERE 
  key_id = '21f649aaafd09c48aa584ed2964a9fca2ccf0cf556d0bedaa44856d08183cce4' 
  AND (
    token = 'M8/hLqGlt+0AYe6GQRIC2xlnXVhhz0Y3dolhrNYclhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )