UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lEML3hvQey8Xrnje7nL5DximIclEVn631fLg+fjl5/w=' 
WHERE 
  key_id = 'e6abb68b3d113bdff73345914a351c0ef9cc027325aaf0a7e8697933e3a3692d' 
  AND (
    token = 'lEML3hvQey8Xrnje7nL5DximIclEVn631fLg+fjl5/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )