UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gz4HruT8oHwxHYKY34/KmL63mAI+N/gfLHx7La9nkkg=' 
WHERE 
  key_id = '1a3981ed6d71aed2bae728e59fdba49584473ed988291f90b6aaba081eeb0870' 
  AND (
    token = 'Gz4HruT8oHwxHYKY34/KmL63mAI+N/gfLHx7La9nkkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )