UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gZhrWj6cqi+15ny7PgSGJtlXNa6GWwNVHA+THNfmGZI=' 
WHERE 
  key_id = 'a21c0f975527168fdd6db93a345481ec0640babf3eaf2248e4588649ecadc367' 
  AND (
    token = 'gZhrWj6cqi+15ny7PgSGJtlXNa6GWwNVHA+THNfmGZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )