UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kB1ncuoGuyn1k0cpY0IPa4E9wXLdKnkeky/IijXYxu0=' 
WHERE 
  key_id = '56e867b2c910b0c304dd2a7785833bba55b60a7fb5826441295d37160f277235' 
  AND (
    token = 'kB1ncuoGuyn1k0cpY0IPa4E9wXLdKnkeky/IijXYxu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )