UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F8zb2o9kXFBzrySTrQydrzW1JRU2mmOAnVzOLdopdI0=' 
WHERE 
  key_id = '798469242d5476682031ec862b5d11972df21ca2188d4959d2818fe7dbc34eb8' 
  AND (
    token = 'F8zb2o9kXFBzrySTrQydrzW1JRU2mmOAnVzOLdopdI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )