UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nm0hrqUE/Rl3rYny9zzu1Cissm8zSifxdbmfmv+Vqds=' 
WHERE 
  key_id = 'b2ea917460435a7496899e604bb72f7b17c84b3cbfa7d5ee59b2239b17aeffe1' 
  AND (
    token = 'Nm0hrqUE/Rl3rYny9zzu1Cissm8zSifxdbmfmv+Vqds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )