UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKEdO6fPY9eRzGNGjls/C/8N0wEEC93VoY3hKhMt3GI=' 
WHERE 
  key_id = '19a034ee4f311da9506f43e5a53f3351a75d282d9e36c8c65b91b7fefe38078f' 
  AND (
    token = 'MKEdO6fPY9eRzGNGjls/C/8N0wEEC93VoY3hKhMt3GI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )