UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LckywF8wlgfn1siiWUois221RjpMlfXFcMnimk/H3J0=' 
WHERE 
  key_id = '4de136ce433a99a17cb52d1f4cd2839f2eacc78bdc9827f021faaf98536803cb' 
  AND (
    token = 'LckywF8wlgfn1siiWUois221RjpMlfXFcMnimk/H3J0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )