UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eBLwukBCcs7ZlrXJwuQXrseM48m82FunnyrJ8JQmG4A=' 
WHERE 
  key_id = '8975a3592e8d94b863e2848f608419e13d0309dd599759daa2a19050ab209e77' 
  AND (
    token = 'eBLwukBCcs7ZlrXJwuQXrseM48m82FunnyrJ8JQmG4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )