UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c/nJhsOsYu4VVH6wvdfWEeRaUgV7gh1KzEISY3cfCAE=' 
WHERE 
  key_id = '791a3862d94c1352dbbcb8547a8c0bd2b3c5b56f08c48b2ba0af385fe3f15b40' 
  AND (
    token = 'c/nJhsOsYu4VVH6wvdfWEeRaUgV7gh1KzEISY3cfCAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )