UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unCKh/o3Z8Z+WVIJpqOXNCLs12q8yET5g0qgypuOd4U=' 
WHERE 
  key_id = '3c28f89ec26de59b13799868197e08d2fdeec8f817ff84d290738565176a6576' 
  AND (
    token = 'unCKh/o3Z8Z+WVIJpqOXNCLs12q8yET5g0qgypuOd4U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )