UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Er3Km5TIYpXCGFFvS8VlIboO94TqLOhoHqin7e31kxs=' 
WHERE 
  key_id = '1b24b866e70482de511d60bb7282909431061c5238fa38cc989b80a9770613bd' 
  AND (
    token = 'Er3Km5TIYpXCGFFvS8VlIboO94TqLOhoHqin7e31kxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )