UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DgU+nyqQ0J6t/YlifWkUTw4KOtntbFu4JD0t3bmq0Uc=' 
WHERE 
  key_id = '68eeb720cb3ae053ca99600f6b175e71456de6f2f44189eda6003f671a11067d' 
  AND (
    token = 'DgU+nyqQ0J6t/YlifWkUTw4KOtntbFu4JD0t3bmq0Uc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )