UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/MQ6jBk+hevkWTGVSVj60IatCv2v7luni0Lqx+Bjds=' 
WHERE 
  key_id = '8ac0975586f1c430d0cb66b48be6c3230656b4e09095e3dd8d9933b0b41dbd54' 
  AND (
    token = 'P/MQ6jBk+hevkWTGVSVj60IatCv2v7luni0Lqx+Bjds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )