UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xe3XkafMRXpSJCiq5Mb+PBekwd6+KqtGuqCzzgKlFc=' 
WHERE 
  key_id = '138a6312b1c763fc68bc71193f48230afd82362a49ba5326c596bc82165b4d4e' 
  AND (
    token = '6xe3XkafMRXpSJCiq5Mb+PBekwd6+KqtGuqCzzgKlFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )