UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J68OT1wmQyXeq8a8vZHSfiubsUDj8Fhnoiyx98fBPOE=' 
WHERE 
  key_id = 'b475b41bf843bc8f862395ea3058e24ef5bc0bab2435748300abe2a06423389b' 
  AND (
    token = 'J68OT1wmQyXeq8a8vZHSfiubsUDj8Fhnoiyx98fBPOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )