UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eX6QnNDq4KRvcKE9ORJZac4QdbM1Joz3NlU3b/waqqM=' 
WHERE 
  key_id = '68ec2f292bc576a8ce0e786683733d55d1f17eb5445bd2e6249bbe0ce582abd9' 
  AND (
    token = 'eX6QnNDq4KRvcKE9ORJZac4QdbM1Joz3NlU3b/waqqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )