UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'asUYTEGW9YmvQlGSQaqR3gpCysJ6Uep4tSK5YrlJC7Q=' 
WHERE 
  key_id = '7848645cedba3264999cc31c2aaec6438169f7a07bd172ad34460bf096c10e87' 
  AND (
    token = 'asUYTEGW9YmvQlGSQaqR3gpCysJ6Uep4tSK5YrlJC7Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )