UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xMRQgRxnA9GtBiDXELNZIcRK1IEdOmBYsYFvnpHSOBI=' 
WHERE 
  key_id = 'af51982e26ec018aa626764ee7fba8d958c7ea0273686529650e4a0d843927da' 
  AND (
    token = 'xMRQgRxnA9GtBiDXELNZIcRK1IEdOmBYsYFvnpHSOBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )