UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MjTJXJjuqvrJmODNYWKh0NOq98jrOR0oYZbvZkkVYQ=' 
WHERE 
  key_id = 'a19c49f912b95b4a918bbf5953f9103c442c13f648c0c1e26e9d21833f70a92c' 
  AND (
    token = '/MjTJXJjuqvrJmODNYWKh0NOq98jrOR0oYZbvZkkVYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )