UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'anlFqQ5EsPAxQmaEMnt/UOo7laI7umFu2oXVn4arTRM=' 
WHERE 
  key_id = 'dcd30813de726d759b0f91e9601c0d76f9237116ab0b0a106a71731eb013d84f' 
  AND (
    token = 'anlFqQ5EsPAxQmaEMnt/UOo7laI7umFu2oXVn4arTRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )