UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZQZrF4gQRrufGZXmmm5rfPBGQc9qxl9HJsMgbXniwY=' 
WHERE 
  key_id = 'a94fca669243d673e79d071a722c20d3632608da1a77145ca1cd3b5a814af26b' 
  AND (
    token = 'uZQZrF4gQRrufGZXmmm5rfPBGQc9qxl9HJsMgbXniwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )