UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S0/Ns4F1Qr9qTQICNbaDT5tYIgWRWp9UpkN5fH9sPaU=' 
WHERE 
  key_id = '76e6ba83639eb49e5a2a746bfaa7f84e894ebcdb50c9a31ca416a814fce6a398' 
  AND (
    token = 'S0/Ns4F1Qr9qTQICNbaDT5tYIgWRWp9UpkN5fH9sPaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )