UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KNxOpoHrPgD6GXY73P7mRbSmT/iozqY2TR6dSBI4y/Q=' 
WHERE 
  key_id = '6271603503cd904b639ada3d6af3583e5423edc8926c3fa31195351ef2e459d9' 
  AND (
    token = 'KNxOpoHrPgD6GXY73P7mRbSmT/iozqY2TR6dSBI4y/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )