UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKbbqOktQuWQsMqvocXkfXUMg1RVh2Aqca6rOBNF/XI=' 
WHERE 
  key_id = '55a1b7328643d4eea858dc64b44f8ed93d9b1e809596f4bcfa93fc64f31c61d0' 
  AND (
    token = 'PKbbqOktQuWQsMqvocXkfXUMg1RVh2Aqca6rOBNF/XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )