UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUOpn6zweR6iC8TvODAUA66BXkoJq4kJZSEz78+3VtQ=' 
WHERE 
  key_id = '26c8ae7d8e5bc9896f443b259520529ca1537db4b2382616fa179983e9c9af6d' 
  AND (
    token = 'mUOpn6zweR6iC8TvODAUA66BXkoJq4kJZSEz78+3VtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )