UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S2Yg0lBf6lD55Q0UgN6vUEmvZcgCWWMWUGK8gDCell0=' 
WHERE 
  key_id = 'e4dbed992ee7eed0c60649c0df3c8a65ee42ff4522825e1cac92f98ac3d8e746' 
  AND (
    token = 'S2Yg0lBf6lD55Q0UgN6vUEmvZcgCWWMWUGK8gDCell0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )