UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ob7n6krtVt553rtgYy7FuAt0hx8fLKwiGpk0D9pWr+w=' 
WHERE 
  key_id = '6afc919d25eab02f5f542c267e330c9a65e0610faa276865abcd2f1d90482955' 
  AND (
    token = 'Ob7n6krtVt553rtgYy7FuAt0hx8fLKwiGpk0D9pWr+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )