UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNRww+KqIJG3ZKPvFR8dNEmJwaSrC4Xkh5FpeEE8sEM=' 
WHERE 
  key_id = '7c68a90e00de3e811870a77b2ee6e520caf157c40c206bf15296e5c1c13ac69d' 
  AND (
    token = 'MNRww+KqIJG3ZKPvFR8dNEmJwaSrC4Xkh5FpeEE8sEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )