UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iHTAN6Di+BxnXxTkUeo3R2G+3tA0zlQiyrePSxr3F54=' 
WHERE 
  key_id = '26391064976bd03ce836114af7646e673802e1cde0745b2b31b89f4b72859081' 
  AND (
    token = 'iHTAN6Di+BxnXxTkUeo3R2G+3tA0zlQiyrePSxr3F54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )