UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BpZlH0WLQ3aeQ4ysi8mvah9yUbEruDYDlg+TlqL/axE=' 
WHERE 
  key_id = '2bc30a4ee7f44a63c223338ca7417433210251b67160e6de91597021c767f078' 
  AND (
    token = 'BpZlH0WLQ3aeQ4ysi8mvah9yUbEruDYDlg+TlqL/axE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )