UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qp9RQaB2DDrFWybzWLePNUuNE7Fyyi8aO9zDFxzdUhw=' 
WHERE 
  key_id = '26e7b0736728bc9d68b97105d9e73b483b23965a522fbccc9257d42fe53e7a05' 
  AND (
    token = 'Qp9RQaB2DDrFWybzWLePNUuNE7Fyyi8aO9zDFxzdUhw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )