UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V93vpyaKHLArLk7Bte1uyqVxmyjF7G5IF2aRhsgx0pU=' 
WHERE 
  key_id = '68cd8359d6d45f4ad21890b154aab6982a2e47856401e2dc4e8f5307e64cd873' 
  AND (
    token = 'V93vpyaKHLArLk7Bte1uyqVxmyjF7G5IF2aRhsgx0pU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )