UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D+PyNNtKjDkVqxCINVrdSoHWrUgVuYhy1QmCdx0lFqg=' 
WHERE 
  key_id = 'e51292bd90b6bc76a019d207b8601fdb4b41c0a58f9e5c0d4d1a35ba3e2a6652' 
  AND (
    token = 'D+PyNNtKjDkVqxCINVrdSoHWrUgVuYhy1QmCdx0lFqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )