UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YbJMBixMdKowq0Ah5WkRSAOzgkVVMpbA/xsA/jL6fnI=' 
WHERE 
  key_id = 'e314c5119a4deb3e776bef5ad7610de5bd181dbed4aa0349478bcf6d7650fb67' 
  AND (
    token = 'YbJMBixMdKowq0Ah5WkRSAOzgkVVMpbA/xsA/jL6fnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )