UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4tQEWdhA7a+wRxyxfXOa5lLqdnoDNSk0LCV1K2PHrOc=' 
WHERE 
  key_id = '6e7b19e3e05a170cb089a8d756d3f87644f79b04da9364a03d11bdc31496d5e9' 
  AND (
    token = '4tQEWdhA7a+wRxyxfXOa5lLqdnoDNSk0LCV1K2PHrOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )