UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n1f2sEJREGFRMwIbj1dq+O3tKvvcI62pZiXo8oo9yxk=' 
WHERE 
  key_id = '2435adc3b1807e3040aa1b759645a36e5cc133e52e9286e7327ffb14aabfefea' 
  AND (
    token = 'n1f2sEJREGFRMwIbj1dq+O3tKvvcI62pZiXo8oo9yxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )