UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TKfUTu6488ePFR+5Du/4e54xMM8szOpJq5t6C/UCKRM=' 
WHERE 
  key_id = '8cdd945ab703a846619f1066dab6949301abb7d0d9a66e115140dc32c11d1d29' 
  AND (
    token = 'TKfUTu6488ePFR+5Du/4e54xMM8szOpJq5t6C/UCKRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )