UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DKfw8I40x7ceFoCvXOvrcIa6Gz11bYV8CcfKsrN7abA=' 
WHERE 
  key_id = '6ca456bbf79d77aa93c3b8e9f966fdf71ec87ba623f91589440d288e72b27fb0' 
  AND (
    token = 'DKfw8I40x7ceFoCvXOvrcIa6Gz11bYV8CcfKsrN7abA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )