UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mj7vfV5EdSmYRfT81423iSfQZx9nNSicKmB1S2+hAeY=' 
WHERE 
  key_id = '1a86c62b39e76495f7619946986bd7963b9548fa2afdd36deb7eb012325ef798' 
  AND (
    token = 'Mj7vfV5EdSmYRfT81423iSfQZx9nNSicKmB1S2+hAeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )