UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cu0DCaa+pla197VVI8/tgf0dSQPQ7+l6Oj397hb33ZM=' 
WHERE 
  key_id = '97e8a5d2e231d85993fdb6fb03f87ab98e58d7652c14e5226027473453ba14c4' 
  AND (
    token = 'cu0DCaa+pla197VVI8/tgf0dSQPQ7+l6Oj397hb33ZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )