UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HET/u29YLN6mxlJxYKGxQbEtz/gU57sxwug5hmKFgEM=' 
WHERE 
  key_id = '50d3e57580877fb6ade91d86f2818247aca8501980019d6ef3df75cac8fd87d3' 
  AND (
    token = 'HET/u29YLN6mxlJxYKGxQbEtz/gU57sxwug5hmKFgEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )