UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx4pOngq7yvkfebaeHZjme1U9DjSxPLiQFQaIhiPE4Q=' 
WHERE 
  key_id = '20a8b3d7c7a74cdbf9af2cf07b3b93b2f1dd45fd90b6ecdf109e5bf651da0d47' 
  AND (
    token = 'Kx4pOngq7yvkfebaeHZjme1U9DjSxPLiQFQaIhiPE4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )