UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bQ7Vdm10GAMGRzDJPuYhtVnxgqu4lYEsikHIMHDUjkQ=' 
WHERE 
  key_id = '3b49bd7b4115174e1967d11c18fa47b27a3061e76893a615a78e94b6a5fef9c0' 
  AND (
    token = 'bQ7Vdm10GAMGRzDJPuYhtVnxgqu4lYEsikHIMHDUjkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )