UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'THljaVgEeVglYfrEl4ICQAmAqw7Rcq9FVvhHOPOoDMU=' 
WHERE 
  key_id = '8dbe7c2f7f35291457a5d7826352f2dfec265c67e4850df936820962b2f1780f' 
  AND (
    token = 'THljaVgEeVglYfrEl4ICQAmAqw7Rcq9FVvhHOPOoDMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )