UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '46Jo0T+P4NBGfOVKrCdR0CKVe4dcD6SEdZyRZ823A50=' 
WHERE 
  key_id = 'a447ae23f8b3e49478f8c961f18802906b9386305d048d2667e1fc17d88e2f9f' 
  AND (
    token = '46Jo0T+P4NBGfOVKrCdR0CKVe4dcD6SEdZyRZ823A50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )