UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't09SGKlNL35TRudNhttjQj67KFmFVLhdX716kaUllek=' 
WHERE 
  key_id = '9747979bc99e82b1e21c0205d73fe13f743ad5539438f585c91a00fef1a7526b' 
  AND (
    token = 't09SGKlNL35TRudNhttjQj67KFmFVLhdX716kaUllek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )