UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mK9RaAzk8o61WDi4tdyJFt7gBJj2mkkbhn5BzDaryaw=' 
WHERE 
  key_id = '6ec961ba133d39d7dfa57cb45602d6669acceab94270e15e19ee19668df2ed6d' 
  AND (
    token = 'mK9RaAzk8o61WDi4tdyJFt7gBJj2mkkbhn5BzDaryaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )