UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DSG2u//6PpSvzF1CmbUzx9Hoz3zNcIED4i8DDsP0LxI=' 
WHERE 
  key_id = '68bd08b4509bb2714188ebdecf52e1d304195dcae781592b5fe818e12cdb2374' 
  AND (
    token = 'DSG2u//6PpSvzF1CmbUzx9Hoz3zNcIED4i8DDsP0LxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )