UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhPXlj4p4YB1oUf5Y3e0lT6XhGECtgNB1voLOUpnkns=' 
WHERE 
  key_id = '2c12f544c8b07c0affcc45204736230499bb365b0b4193dab618cee9064cbff9' 
  AND (
    token = 'MhPXlj4p4YB1oUf5Y3e0lT6XhGECtgNB1voLOUpnkns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )