UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tomwafsQz6+EnvB0RSW6Z8JNfYD7BeBoTgpGnbQuML0=' 
WHERE 
  key_id = '00a31a64b006acab1ec3e5df3007d1ff6fa5dac58f51875e6fea2811dbc4d5e9' 
  AND (
    token = 'tomwafsQz6+EnvB0RSW6Z8JNfYD7BeBoTgpGnbQuML0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )