UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPe8m8hBE279ESdhqeCa+H57T05YobIFPiyZuS+PH6k=' 
WHERE 
  key_id = '8d4558d4b11e77f2bd343787dd2d324bd8be92e15a5656644e9af694d5193e4a' 
  AND (
    token = 'VPe8m8hBE279ESdhqeCa+H57T05YobIFPiyZuS+PH6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )