UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nc9JrukhFFsVyqgJFAbPsuwES3M/AB1cI8+N5PXK900=' 
WHERE 
  key_id = 'a234fccc786386a6b4dbbd6578aa14138cbd3615c1c12715c6c2b99f33f92085' 
  AND (
    token = 'Nc9JrukhFFsVyqgJFAbPsuwES3M/AB1cI8+N5PXK900=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )