UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rR3RpgAXebQtJa7ExYU0jGF6biDC8xKTpZgSAQNcxZM=' 
WHERE 
  key_id = '4acd6be3af5c7ccbb6ed826f36296026f4494bcf26568e1fbc0476879a79c55f' 
  AND (
    token = 'rR3RpgAXebQtJa7ExYU0jGF6biDC8xKTpZgSAQNcxZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )