UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oShJzEClfOeijMDWbmnvzvAPVoXQae4U2ZqmCpIbels=' 
WHERE 
  key_id = '18e1840625037c6124705d6057fb281d9f603161450ba606666ea21759f11e5d' 
  AND (
    token = 'oShJzEClfOeijMDWbmnvzvAPVoXQae4U2ZqmCpIbels=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )