UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNzQtpnEgywY/DsL26dZ9JQjCbAfpb8EcY3cpKayebs=' 
WHERE 
  key_id = '721d6b9272db7659ba105957d111d929f5c611ff54244f2d97e6b3c532bf6cd9' 
  AND (
    token = 'PNzQtpnEgywY/DsL26dZ9JQjCbAfpb8EcY3cpKayebs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )