UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bh6GZK0mWSFGjP949/PpqhltYh2JOjsSPW4QBeODtUg=' 
WHERE 
  key_id = 'f601baeea77038cfdd7229a4cfc202729bb78827153876a9ae6d34afc9339cbe' 
  AND (
    token = 'Bh6GZK0mWSFGjP949/PpqhltYh2JOjsSPW4QBeODtUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )