UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zc7eXrVjN8iv+xy32nwWG7zOCMzEwZtijkZPclIHX38=' 
WHERE 
  key_id = '50c88a3875911dec4a4191d986c24d5e677fd2ceb3f7f8567f50ccc40dac375e' 
  AND (
    token = 'zc7eXrVjN8iv+xy32nwWG7zOCMzEwZtijkZPclIHX38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )