UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+51TSZHeipfvWeOdFwpfenv9ccvH5/dNqg6qKnV3qBw=' 
WHERE 
  key_id = '8ed4ddc2285ab537ef306b9d444699532220b852c555e62184cd87ad01947244' 
  AND (
    token = '+51TSZHeipfvWeOdFwpfenv9ccvH5/dNqg6qKnV3qBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )