UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zEJp/GS6RaFMieJbUSQsNPg+57+2Z84IYpO+DHCEJmA=' 
WHERE 
  key_id = '50a28ac33755f484b9bc6e9480581570b6c31f68300f67c81712ed18b55a90d7' 
  AND (
    token = 'zEJp/GS6RaFMieJbUSQsNPg+57+2Z84IYpO+DHCEJmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )