UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LzaurgmMWn8KGm0sJ1cOLYjdrmo4wT6nJUotPfLq/NY=' 
WHERE 
  key_id = 'a984dec297fad639516f1fc8de4a8e7eb834e73e7d2ec2309cc5ee6541fe7421' 
  AND (
    token = 'LzaurgmMWn8KGm0sJ1cOLYjdrmo4wT6nJUotPfLq/NY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )