UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uas0C0xFPxSHobdySUyW5pDQsshISSDVeGfzJpJlRys=' 
WHERE 
  key_id = '768b732bb19b5593cbe9bfcdb4404e8e446f5ad05d0b320b98ca1cd0a240f2d4' 
  AND (
    token = 'Uas0C0xFPxSHobdySUyW5pDQsshISSDVeGfzJpJlRys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )