UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khFzziQtQl7saouTd/uW9wppDRcUVCN3TmbW4zoUEsY=' 
WHERE 
  key_id = '634d0db55b6c9ae6d4cb71f1c2b42e4a64a09a472d0a914626903a791d9485b4' 
  AND (
    token = 'khFzziQtQl7saouTd/uW9wppDRcUVCN3TmbW4zoUEsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )