UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8z4uwLg1K0tvqm75RUxw3QAhANW0GxYPJcPoYEAajI=' 
WHERE 
  key_id = '7d56d1d506452f35a60081bd1999cfb0a782e426e63cf0165e038c4d6cbe6870' 
  AND (
    token = 'k8z4uwLg1K0tvqm75RUxw3QAhANW0GxYPJcPoYEAajI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )