UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JHqAjKv2nEiLDTDtp8KwKEAd01rpNzRUg4mLXmnr5u8=' 
WHERE 
  key_id = 'b576ef51c1eb66f55d71bd9f62edfbce8343938295e6e5bb55ae93b8ab9df278' 
  AND (
    token = 'JHqAjKv2nEiLDTDtp8KwKEAd01rpNzRUg4mLXmnr5u8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )