UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iD2ZdCAwHD+cUY+Nx7NTg3ZEz2xPoMPVf0J+U0M9Kc8=' 
WHERE 
  key_id = '6a16bb75db299970f4629cae151719687c2657184a0d714f7a4185b86706d27e' 
  AND (
    token = 'iD2ZdCAwHD+cUY+Nx7NTg3ZEz2xPoMPVf0J+U0M9Kc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )