UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MIBoKlKY4gY0o74+s8GXYrHEDxQZt06B49b670cbiQs=' 
WHERE 
  key_id = '6df2325dc39f592a215c0e7433eccab16885ba6f548838dbbf8a69ff3a2f774f' 
  AND (
    token = 'MIBoKlKY4gY0o74+s8GXYrHEDxQZt06B49b670cbiQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )