UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGjSNWlDaLbbYeMEYxfso54ljVIukhx85qPAre97/NA=' 
WHERE 
  key_id = '93f47aa501de08ce45a4ddab3bfa9a35918103961a18e76ae72cac983812394c' 
  AND (
    token = 'PGjSNWlDaLbbYeMEYxfso54ljVIukhx85qPAre97/NA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )