UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3TxkidlfvcyLxSCXK24Fbux2gUkKYYgnLe9UcFXSqK8=' 
WHERE 
  key_id = '21cd487bf8af85492c8210be78fa257e9e3dae862c9a5e8075809ce950494ad9' 
  AND (
    token = '3TxkidlfvcyLxSCXK24Fbux2gUkKYYgnLe9UcFXSqK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )