UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pKt4P6GHu2Or8kg1cDvENhZxhuY9pyxH8FwJVt6b2k=' 
WHERE 
  key_id = '20599273e403193db6a99a3c12f16d2411f77c1dba7e58dabd25ac06da055222' 
  AND (
    token = '6pKt4P6GHu2Or8kg1cDvENhZxhuY9pyxH8FwJVt6b2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )