UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krgS6HqKvhlc3j0z7H/RPjpHDIxg+UMF77Z+V4YSGtM=' 
WHERE 
  key_id = '2f45820a5a2f5a359ac0cdac36afb2c854b63e69e00a7aa8c876db5af3b5483d' 
  AND (
    token = 'krgS6HqKvhlc3j0z7H/RPjpHDIxg+UMF77Z+V4YSGtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )