UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BHVgEvRivdQYaeaZi/DYwLzIcLrfb9ddFpcz6swycg4=' 
WHERE 
  key_id = '794828addd9d09894b1c2d5d47d9ec05124eeee444ce955573356386b71a358b' 
  AND (
    token = 'BHVgEvRivdQYaeaZi/DYwLzIcLrfb9ddFpcz6swycg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )