UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '45KYHobPbXam2WT3fysyydPKxAlZmKddofEpZU6+rgs=' 
WHERE 
  key_id = '42dc04f38524170916e11a6b3fa0a51ac4a8d52ec4a25e778d8815244fb8d755' 
  AND (
    token = '45KYHobPbXam2WT3fysyydPKxAlZmKddofEpZU6+rgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )