UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPy0ZXwjZ69WBdhroEwCyO869COiUpAewp0ZQ1AEVZE=' 
WHERE 
  key_id = '8a5fd6805a7bff5840da11ea753ca0c27a5e884bf9f1c7d392be98b176dfc815' 
  AND (
    token = 'PPy0ZXwjZ69WBdhroEwCyO869COiUpAewp0ZQ1AEVZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )