UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdbhhKVT2OhhZH1UxR2Q+wDN83GUSl+t/1uU1fEDNmk=' 
WHERE 
  key_id = '8bef57f4a7b072367cf165fed558307edf71d62a9217a5f14246c9aeac59f3cf' 
  AND (
    token = 'MdbhhKVT2OhhZH1UxR2Q+wDN83GUSl+t/1uU1fEDNmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )