UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxNGS1cvZUFqcGSH0WvHY2EjYp7FBBJF0An3skm0xMM=' 
WHERE 
  key_id = '21c0527f163e5cf9d6900e6c771ce81e9d4c8088b339b30b5107225ecd15def8' 
  AND (
    token = 'BxNGS1cvZUFqcGSH0WvHY2EjYp7FBBJF0An3skm0xMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )