UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+KXbbEoh7I4l8yJyeOE65FZtuVWoSjVnk7sYRvInqI=' 
WHERE 
  key_id = '831a77da417504418dcc5936a9fd14f87cc9f71160e8878a7b50dd5227da4625' 
  AND (
    token = 'n+KXbbEoh7I4l8yJyeOE65FZtuVWoSjVnk7sYRvInqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )