UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1iaXJGq4Nqb4lCYWsjoSfbnTFukGgww6ZCOORUWVhYs=' 
WHERE 
  key_id = 'aa879e53f52429f13387e3887db683326265575c7bb4179782a9dab31d47e381' 
  AND (
    token = '1iaXJGq4Nqb4lCYWsjoSfbnTFukGgww6ZCOORUWVhYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )