UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J50fQrkBbiIkaGRoYRxzc4oYrfDy3yqgTeqPxGuV+vk=' 
WHERE 
  key_id = 'c68967ec3511f80bf6347152622ac69566bb2b5d50f52c9322e6278d5194c281' 
  AND (
    token = 'J50fQrkBbiIkaGRoYRxzc4oYrfDy3yqgTeqPxGuV+vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )