UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UlNgU+UkgrvRepgr9GghBnRYjMj2dzR+Lqlxxgyj+Ms=' 
WHERE 
  key_id = '21dfcc39a2ae85480cf6ab23727f5ae3c126e3d971c84634474f32432a6399a6' 
  AND (
    token = 'UlNgU+UkgrvRepgr9GghBnRYjMj2dzR+Lqlxxgyj+Ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )