UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kpdw0TnQht2Qkkuc1QHMb1+JikHuiwNJOtcVwKUaEQY=' 
WHERE 
  key_id = '15fbc3fb2eae19516486f14ac16d813fd4f8454ec9823ad0fe4f8ea6054cda01' 
  AND (
    token = 'Kpdw0TnQht2Qkkuc1QHMb1+JikHuiwNJOtcVwKUaEQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )