UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LpcR6TFjzHMWZh6vUgIFKzgh9lcLaie53DbwvuEPErY=' 
WHERE 
  key_id = '258e6d218ad0b2d461f62fe0eaf86019bedf97eb38d8440d957aa076c8375647' 
  AND (
    token = 'LpcR6TFjzHMWZh6vUgIFKzgh9lcLaie53DbwvuEPErY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )