UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHvKQsadxvopvTQ6G47iYjJuZev9Locw6rYceGM73/8=' 
WHERE 
  key_id = 'bda0736fcc2480050db9d9a4268c77e0fee329a35b65bc83558864a6eb3cfef3' 
  AND (
    token = 'CHvKQsadxvopvTQ6G47iYjJuZev9Locw6rYceGM73/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )