UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AmGkauLocQ+dM72WWEY0UdoXWFzw6KF8iCqpG02q8DY=' 
WHERE 
  key_id = '938c31e5f196120b2ca4eb929f6a942efea19bf0d7ef1e177504195a7ab3c89e' 
  AND (
    token = 'AmGkauLocQ+dM72WWEY0UdoXWFzw6KF8iCqpG02q8DY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )