UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aZqUEPCL7NhT2v2qhd86MWygHmCjCD3FFIPGwanOUmg=' 
WHERE 
  key_id = '6785a8e6ce89c3a48fa342d1d22b6539352b250113e064a5b42034908a196030' 
  AND (
    token = 'aZqUEPCL7NhT2v2qhd86MWygHmCjCD3FFIPGwanOUmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )