UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Khe7DH4Kv+7NlBUSkknaSxCheS4XUx9oBwnDSulF41g=' 
WHERE 
  key_id = '50ce0105a368e1776a21902d1d37c5606e7bb049c3646378330ce637ae7a752e' 
  AND (
    token = 'Khe7DH4Kv+7NlBUSkknaSxCheS4XUx9oBwnDSulF41g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )