UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81V7Ss0pFHh+huU8ziVuVapw7DeezqPHkeMrvzYha3s=' 
WHERE 
  key_id = 'b784869a8b5425a332834b5d705999d82a30e22c36a21c0cc427ad3029e79d53' 
  AND (
    token = '81V7Ss0pFHh+huU8ziVuVapw7DeezqPHkeMrvzYha3s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )