UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rLYxNpDlmlQlurAiIK6iTE09aq9vCUj06hez4uA6+0c=' 
WHERE 
  key_id = '21c78ffc6e24c7bd2b851d015e16af80b2ec1137b9f23982a144b73580175edd' 
  AND (
    token = 'rLYxNpDlmlQlurAiIK6iTE09aq9vCUj06hez4uA6+0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )