UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4DC9+jjt/8MwiufBABrfl/9NFqE3tEot6WxGCPcF+9c=' 
WHERE 
  key_id = '2ac8776b5fce2b0e4172a3ed898044c6e71e8170ccbb98a77fd7b968c3750bca' 
  AND (
    token = '4DC9+jjt/8MwiufBABrfl/9NFqE3tEot6WxGCPcF+9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )