UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM4k6ke+gwjOMCKegw7LfKCSaSnNO0aQEkv1xkoYerY=' 
WHERE 
  key_id = '5054ffac60e47f0a13c903f7eaf810b9222b3a0f083a06f06a0f648ffc6b93a3' 
  AND (
    token = 'PM4k6ke+gwjOMCKegw7LfKCSaSnNO0aQEkv1xkoYerY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )