UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3MVtyJMOa+I957NWaZd9omzIJiP4UZiXpeuBMSTuR8=' 
WHERE 
  key_id = '68da74ba35bd9f5ee68c275ca6d50788f369559a65ef9a74ca3588626cc82b21' 
  AND (
    token = 'u3MVtyJMOa+I957NWaZd9omzIJiP4UZiXpeuBMSTuR8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )