UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlyxCcU69DBdHcipN6QSKWHhEkDjzGcXh2yJcS11Xyo=' 
WHERE 
  key_id = '51512de54a693c272166c72547b7a578e9d9457ce5c041acf07b9a5219acf56c' 
  AND (
    token = 'mlyxCcU69DBdHcipN6QSKWHhEkDjzGcXh2yJcS11Xyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )