UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'siVM4FymqdyDf4E0TkRjjuDjFzI9CSmFmgsA+DgmBsE=' 
WHERE 
  key_id = '71c0e7c051181a34839cf5115e1801aec8f6495ac20b60005e4b83858f7cb953' 
  AND (
    token = 'siVM4FymqdyDf4E0TkRjjuDjFzI9CSmFmgsA+DgmBsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )