UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6hhgH0BjX6OMq/uVOcjvi/KZ4wFyHdXMQWbMG1+dEho=' 
WHERE 
  key_id = '27876c3b07e33c6d29e5ebab6fec4768e3179f4093b099ba0a681232ded02ff1' 
  AND (
    token = '6hhgH0BjX6OMq/uVOcjvi/KZ4wFyHdXMQWbMG1+dEho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )