UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QSm0PWK+iyvq9qEdbo9hYC09ijSDZSWZOgAit5+y+mA=' 
WHERE 
  key_id = '811ef0bc084f7608169ecfdd400d36997e9a57f67bf923a73cdd1c36bbb0fc35' 
  AND (
    token = 'QSm0PWK+iyvq9qEdbo9hYC09ijSDZSWZOgAit5+y+mA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )