UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wFk1ufSXzkKcw71nZ59T94a2+srFQfXdzgaZPK5kSTI=' 
WHERE 
  key_id = '93256a40f0ebe676da43a533867e15661a3cc7ac5caf9451444b465af38978f5' 
  AND (
    token = 'wFk1ufSXzkKcw71nZ59T94a2+srFQfXdzgaZPK5kSTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )