UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z//d06myb+LM720ev8VD6XyKYUOEgHYHzk2UKQ+diKs=' 
WHERE 
  key_id = '646e533c599071259d3599b3fba18e2667625c47029a14d26dd341dac9547676' 
  AND (
    token = 'z//d06myb+LM720ev8VD6XyKYUOEgHYHzk2UKQ+diKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )