UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EHGGx76+AEGtiJiRECZYhnz8J2NIYak8W5dRl+h69VY=' 
WHERE 
  key_id = '521509aa61d52bf08c1566b2ce7e50a4beaa22b17b845a5f51667445964193ee' 
  AND (
    token = 'EHGGx76+AEGtiJiRECZYhnz8J2NIYak8W5dRl+h69VY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )