UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUx6ru8IkChXectGSJ2QJmosvKIqsx4B+Xsua8XTKvM=' 
WHERE 
  key_id = '28e8d47088825b482865588ba51ad3e10c3bbd5a8be465ca57e576453efaf700' 
  AND (
    token = 'KUx6ru8IkChXectGSJ2QJmosvKIqsx4B+Xsua8XTKvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )