UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lUtwu6lhzjhWCyE3VjX8D+QcZhSWsPW0bD2w0zqz2Ek=' 
WHERE 
  key_id = '3268fc05c6e64f62c2b6892a0e2d00e7f1d28d8a63eca2034f8fc841cd5003c8' 
  AND (
    token = 'lUtwu6lhzjhWCyE3VjX8D+QcZhSWsPW0bD2w0zqz2Ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )