UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2Xhe2+F9kznSfhhZZj05NoGck6wKmDeU3FiyYWaSYM=' 
WHERE 
  key_id = '8154335387d821faa098287e000be615b5e5378b5eb9f4c71452ba858c801195' 
  AND (
    token = 'u2Xhe2+F9kznSfhhZZj05NoGck6wKmDeU3FiyYWaSYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )