UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ai91W8VPW/dIMbz6qOP4pU/T/UC5O4NC/vcoD7fVRaM=' 
WHERE 
  key_id = '3a15a01fb8252d9a1c8de5f500c4de4d6ec4e10d84d4c13cec7c20533543ed78' 
  AND (
    token = 'ai91W8VPW/dIMbz6qOP4pU/T/UC5O4NC/vcoD7fVRaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )