UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Aw/91aLjduyUuDjRuaYSLqgo/oCFKYdcdzpADfV/iyw=' 
WHERE 
  key_id = 'a35ef17ad29f5b7164cd19897e092fa673827c9946fb67b13073c07b1531e4fe' 
  AND (
    token = 'Aw/91aLjduyUuDjRuaYSLqgo/oCFKYdcdzpADfV/iyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )