UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dt8czWKIYYt5+CjF6ubcGv/QOPq3JsZaI1ptEtw6TtU=' 
WHERE 
  key_id = '875dbe1c2cece7bef5e7845e15a77ef017ef5f4b204da2fd4c96ebd5c79d1918' 
  AND (
    token = 'Dt8czWKIYYt5+CjF6ubcGv/QOPq3JsZaI1ptEtw6TtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )