UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pke4tzOE6tcVY55bfIU9ClYwBb1SdwXd71AfmGSX69I=' 
WHERE 
  key_id = '6d5e49a263f0efcd760738a2b57509d44f0f471a9796131a920199a36ebae178' 
  AND (
    token = 'Pke4tzOE6tcVY55bfIU9ClYwBb1SdwXd71AfmGSX69I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )