UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ul28sUu2NmX3jv/cVittvbkP80B4aceolnbajhwKkKM=' 
WHERE 
  key_id = '6b34e18ef649227a50fbe9634cde20c27b435c2052f530e83f783afa43a01f94' 
  AND (
    token = 'Ul28sUu2NmX3jv/cVittvbkP80B4aceolnbajhwKkKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )