UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/DK4tgzThrE191m2LSE7kSSLU+UZ6nrrwBSkrp0YuM=' 
WHERE 
  key_id = '573f283929152bea8cc02706bc3327debfec307ccd4c870701b3c80225c2f240' 
  AND (
    token = 'a/DK4tgzThrE191m2LSE7kSSLU+UZ6nrrwBSkrp0YuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )