UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4y5jrL5A5BnbjxABqu1m89AyWyxGaUCbkFoXbt5cL2o=' 
WHERE 
  key_id = 'c38eb03340d016de116eed75b3f8c3ce249b940174c9e7281131ac745becba9e' 
  AND (
    token = '4y5jrL5A5BnbjxABqu1m89AyWyxGaUCbkFoXbt5cL2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )