UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZQ/cEWjzumjW9eoZDvJ8Rc+8yQrwr8lWoTRS0PWJp8=' 
WHERE 
  key_id = 'b821eb8ad20e6a84c914081d28a79953682603c79a4c961c0c85fdae56ef8b77' 
  AND (
    token = 'PZQ/cEWjzumjW9eoZDvJ8Rc+8yQrwr8lWoTRS0PWJp8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )