UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/c/Y3AOPNT3ECoguXAmrMVl0OtYcKJtdbYEB3lihBp4=' 
WHERE 
  key_id = 'c929c75783f3476bf500173c230e7cf9df9189e588354e10f1fc203cd39943e7' 
  AND (
    token = '/c/Y3AOPNT3ECoguXAmrMVl0OtYcKJtdbYEB3lihBp4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )