UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kj4+kA+9mXdc7oxEdq0otqjOhkom5UP8xxyUCoTrE7k=' 
WHERE 
  key_id = '0eff21be07745930df096de746a2f3c01e306bd596fc34799819a27a50203630' 
  AND (
    token = 'Kj4+kA+9mXdc7oxEdq0otqjOhkom5UP8xxyUCoTrE7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )