UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VAVAUvtNMVx9KyPA8hNKYZxnVopH62OfB3m1JYmcqkM=' 
WHERE 
  key_id = '2f599665ecc401c9346f82ab18dd7a746eff1b7e29f1f9f1eba5ce6f849b11a4' 
  AND (
    token = 'VAVAUvtNMVx9KyPA8hNKYZxnVopH62OfB3m1JYmcqkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )