UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'asc//2nKBfOe4HhjjKaevMKVz0iGAtwT+QMXZwf2ty8=' 
WHERE 
  key_id = '6929d80e2118d0208745a57b3f6d3bf46208843984074191f4dbe5868ad2813a' 
  AND (
    token = 'asc//2nKBfOe4HhjjKaevMKVz0iGAtwT+QMXZwf2ty8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )