UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ouHVK8srh68B7SUd7Y2xrqD3xkLDLVBVh27J5xuEBGc=' 
WHERE 
  key_id = '6815c6085a4463e6893a1eb12376e128986dc3060a11f2ee0a0e0a94f249af74' 
  AND (
    token = 'ouHVK8srh68B7SUd7Y2xrqD3xkLDLVBVh27J5xuEBGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )