UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rZgFuNHUsxqgzbk6JtFkByRgZrP23SrlkbXl80vYGVs=' 
WHERE 
  key_id = 'c4b1bd323503442889ecf5b7f00a3cfa9cf1bc60302e81b72179e4e00e4b99dd' 
  AND (
    token = 'rZgFuNHUsxqgzbk6JtFkByRgZrP23SrlkbXl80vYGVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )