UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u0iylDCI1XzrL3f7TKFLqv1QCxmk/9bhsn9oK7QVz/w=' 
WHERE 
  key_id = '6a340132eec10d0743a632155622f8232367e091653081898f4d333d689090c8' 
  AND (
    token = 'u0iylDCI1XzrL3f7TKFLqv1QCxmk/9bhsn9oK7QVz/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )