UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NNfTFH8KlLmhS2EMGBGUgHjZSZ4eHD5JMaoWBeaBEWk=' 
WHERE 
  key_id = '8dff4cedf65797f1dee8c41acd144096f6a34dde5852c31687f0d8d02d43915a' 
  AND (
    token = 'NNfTFH8KlLmhS2EMGBGUgHjZSZ4eHD5JMaoWBeaBEWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )