UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qiv2ykfFCFhIUYYNMt/TQM4mRVIOUTZAvF1fsF/NBH0=' 
WHERE 
  key_id = '6ca4304a1e3b2d134f7483d2750c074e08543d0b71e58087f0cd5f8f749c8019' 
  AND (
    token = 'Qiv2ykfFCFhIUYYNMt/TQM4mRVIOUTZAvF1fsF/NBH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )