UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njkZDMEkaDngN7hUuPCEfXd8lGGhxnTmpQgBxU+gSwY=' 
WHERE 
  key_id = '8ee8a480a8d22fcc626da578869ffeeaae4494b9d00fc9a8261e6c23182842e8' 
  AND (
    token = 'njkZDMEkaDngN7hUuPCEfXd8lGGhxnTmpQgBxU+gSwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )