UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qp0saYKWk2GXF7b/vWpLcRTBtHKuDxtCXxIcE09jttU=' 
WHERE 
  key_id = '851f970194867dbe0cd666b56ede42e3b7e861b2736e52b9d7a1581a519c169f' 
  AND (
    token = 'qp0saYKWk2GXF7b/vWpLcRTBtHKuDxtCXxIcE09jttU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )