UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtlvlCRSdg1zeBPEy0alzytS7TCRk3sbPqrdV6Q8+rI=' 
WHERE 
  key_id = '1beab2e46083076e5b70409e7affe91b88c2928f74a54de18f5eec31da379126' 
  AND (
    token = 'mtlvlCRSdg1zeBPEy0alzytS7TCRk3sbPqrdV6Q8+rI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )