UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KzIuF7i37+XPo+FmikLU4qCX2MVUpJuqP6tusUCYkr4=' 
WHERE 
  key_id = '763774a877665f05b4f5f508a49203ddb5e075874b6bb122e1d44d7054cfd4dd' 
  AND (
    token = 'KzIuF7i37+XPo+FmikLU4qCX2MVUpJuqP6tusUCYkr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )