UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd4qS2p2YXUViqItKwGrbc+Dv1Np3kY6Jv+54cvWSb+E=' 
WHERE 
  key_id = '4ff8ac36fdedfb9043e3b3bc149b97d037c644e809be42c13d2239aec017b25c' 
  AND (
    token = 'd4qS2p2YXUViqItKwGrbc+Dv1Np3kY6Jv+54cvWSb+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )