UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/HTDh1HZM0Wwi4rYtQtIXoQ1DDXcGPFzr83v9lQlWHI=' 
WHERE 
  key_id = '31dff626fc1f4b1d658dcdd9f9796ada56fede8942c4f1b4829d6fc61a92071e' 
  AND (
    token = '/HTDh1HZM0Wwi4rYtQtIXoQ1DDXcGPFzr83v9lQlWHI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )