UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+nw6RxgxYfQd3TZCj+kVdyWirVOoBlSJhv9okmbHTJ4=' 
WHERE 
  key_id = 'f68c4e4455e46583ff9845360162a8eea69146145d40e546e41618acea95555f' 
  AND (
    token = '+nw6RxgxYfQd3TZCj+kVdyWirVOoBlSJhv9okmbHTJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )