UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8ezWl5LT3+bM6/BnUl1lEvaiTsS3Knibbl2pWFmANvo=' 
WHERE 
  key_id = '270df5f583a4804d77fc4f1cd9badfdad69a68ef646c4dd3901574fd464ead97' 
  AND (
    token = '8ezWl5LT3+bM6/BnUl1lEvaiTsS3Knibbl2pWFmANvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )