UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TeflQMvsgnhU6/89+MoM7KRadS0BvL1KOgre1LPNmkM=' 
WHERE 
  key_id = '39acdb139752b81411b0063b76d70b2e847b8adf5afbdf87078da810ce52c7e5' 
  AND (
    token = 'TeflQMvsgnhU6/89+MoM7KRadS0BvL1KOgre1LPNmkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )