UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c38Y7g8VUtSW3wAAUnkcuurjCSXTmw6PYLghz6mdbyY=' 
WHERE 
  key_id = '921fb38cfc543534fca37bd92e3c67af9edd978783433cc91582c7fb556de207' 
  AND (
    token = 'c38Y7g8VUtSW3wAAUnkcuurjCSXTmw6PYLghz6mdbyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )