UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tkl+RqYQ1fVAZHXU87/eA+Qxzvx5f7sRWCEsjr+jobQ=' 
WHERE 
  key_id = 'e876a8197234f543ea9a955d5aaa6aa5443582e7851ea223e7d453b394c676ad' 
  AND (
    token = 'Tkl+RqYQ1fVAZHXU87/eA+Qxzvx5f7sRWCEsjr+jobQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )