UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qgPUR8s/bXIsf43E2nEFLRpKDCNce2RS5jS7Ta+iSYc=' 
WHERE 
  key_id = '51ae480629d438fad202fae20272056729322a93c468e6a695d58d42bfb6820d' 
  AND (
    token = 'qgPUR8s/bXIsf43E2nEFLRpKDCNce2RS5jS7Ta+iSYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )