UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79C3v7grPUN8tp2d40W48fc3R4I7WuIiCYJHoJL0Od0=' 
WHERE 
  key_id = '49a3667f98a1fa3fe01775c7710e4ecdb7f960e1474deec176740f8ae93b9942' 
  AND (
    token = '79C3v7grPUN8tp2d40W48fc3R4I7WuIiCYJHoJL0Od0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )