UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3eHtlTclTfzY2aC+qZ7XW/MzYWSNauCOXaWFkS2MPpc=' 
WHERE 
  key_id = 'a3e6fb30dc670b806880b95c4ec39559de32a762012971ffce06778d9f750c6e' 
  AND (
    token = '3eHtlTclTfzY2aC+qZ7XW/MzYWSNauCOXaWFkS2MPpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )