UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+BUsCnBBEIHLG8dFtUq0c75xevfmLGFd8T/UDIANa+E=' 
WHERE 
  key_id = '87c15a57394190aca985640986ca463f2ea49de0451a5ef8db5c1cee08d0a0df' 
  AND (
    token = '+BUsCnBBEIHLG8dFtUq0c75xevfmLGFd8T/UDIANa+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )