UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cn+XR/haXhr/LhdfUk3bQkLjWVg295aNK5wi8CNfBb0=' 
WHERE 
  key_id = 'b68916c1ab043ceacb1747cc1561c6026545c64b55f9d2056f1e466e9f93ba79' 
  AND (
    token = 'cn+XR/haXhr/LhdfUk3bQkLjWVg295aNK5wi8CNfBb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )