UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QLtxEmkRxCqGXa3lxxDfmuIejMAhJ8BmZSfaMkymx8w=' 
WHERE 
  key_id = '68a3cfb9041be497ad9ddb4e7048196baae729e95b8b64206aec1ada1819678e' 
  AND (
    token = 'QLtxEmkRxCqGXa3lxxDfmuIejMAhJ8BmZSfaMkymx8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )