UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3bSo/2MM4OvYIsnkQjeVAMStJaKZHiPWojOgoT8Q+dk=' 
WHERE 
  key_id = '6e6b2b82332b02e17866ef0e818a42361a3ac3c4cc1929128308206dced577b9' 
  AND (
    token = '3bSo/2MM4OvYIsnkQjeVAMStJaKZHiPWojOgoT8Q+dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )