UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPo8YBxsZhUarKNMaP9193TbuQII7GDKhugJkQGLGCc=' 
WHERE 
  key_id = '438d85df64b228b045a4ca79e6e299d4cb913c342ee87ccad209041545e3b358' 
  AND (
    token = 'QPo8YBxsZhUarKNMaP9193TbuQII7GDKhugJkQGLGCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )