UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lim5vAplewqm3fkfa0YZHedkDXkY8y5qfrk2/7HH6Lo=' 
WHERE 
  key_id = '3857bf69945a4fb97e4e9928fcc2decd32a1660c0d8939566e837af4302d7982' 
  AND (
    token = 'lim5vAplewqm3fkfa0YZHedkDXkY8y5qfrk2/7HH6Lo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )