UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmJKHFtHi+JFXIFekfjI7vCOjrA4IjWN2GqdgJOxoLc=' 
WHERE 
  key_id = '92e0b54df42261a2f75a12af503b3b834016fdcd799c2ad73afc7fbe960a0b52' 
  AND (
    token = 'KmJKHFtHi+JFXIFekfjI7vCOjrA4IjWN2GqdgJOxoLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )