UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZRVTAuSti/qyLgJoAmqbErVOC1AoTO35CYSSDHqzyNI=' 
WHERE 
  key_id = '975fe4641288bf279940cd2987ecacafe4e6df571b4ab7f9ae19f13ce9a233c5' 
  AND (
    token = 'ZRVTAuSti/qyLgJoAmqbErVOC1AoTO35CYSSDHqzyNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )