UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kmlo99SAs8x/wvRjRzqlchivEsNV8d5j7LVZS0G7ro8=' 
WHERE 
  key_id = '3f1d8550dec9aad919fe407e749a4fba18153e382ba3ad70e4114ddf8870ff40' 
  AND (
    token = 'Kmlo99SAs8x/wvRjRzqlchivEsNV8d5j7LVZS0G7ro8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )