UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4RMq/Qcc/gyh+6DjUudgzcg6SBJnygdmv6gr6hRhAmA=' 
WHERE 
  key_id = '635d974c6768b5c535a360679a9f7edb77790c29324091f851097ec4590b276f' 
  AND (
    token = '4RMq/Qcc/gyh+6DjUudgzcg6SBJnygdmv6gr6hRhAmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )