UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pXaKzQYnCbZnjYdYBAqjXuAjfGz7bNx025HP7VBWTkc=' 
WHERE 
  key_id = 'ef53c6c6da260864943086bd865470e29631488455bd7bcaade661bbae63f251' 
  AND (
    token = 'pXaKzQYnCbZnjYdYBAqjXuAjfGz7bNx025HP7VBWTkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )