UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7G6afzgTdCtpp9JQ0/8Op6oKGS1ymDvgANjFGEi7smI=' 
WHERE 
  key_id = '6edf305278c232f88fc3214e2c0613d853d7901a698a4b50ecaea2dcc7909474' 
  AND (
    token = '7G6afzgTdCtpp9JQ0/8Op6oKGS1ymDvgANjFGEi7smI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )