UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Xni3gdmojGVbfFcmeMNS2IajwMugwfhTiiOqfCRizc=' 
WHERE 
  key_id = '94bc609ae3b335d0483a30e6e0b43daf5ab8cc4f928724175617a360fd80f65f' 
  AND (
    token = '+Xni3gdmojGVbfFcmeMNS2IajwMugwfhTiiOqfCRizc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )