UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e7zCM11cSXKPxm7GFQhWNNMLZIkR8+atMt4TSD2XTCA=' 
WHERE 
  key_id = '1cd51d93cec020136d85a394f75ead367e2e1fa2ebd092c4432a8a6e8dfd180f' 
  AND (
    token = 'e7zCM11cSXKPxm7GFQhWNNMLZIkR8+atMt4TSD2XTCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )