UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TAtyfE40xBe6Y0Pf7fLQI5JCRPVF3tkynKiN6+ADtnk=' 
WHERE 
  key_id = '838ed75067915c40b020d33d7804eca69127fd2bf1cb1e720951b41159a553a9' 
  AND (
    token = 'TAtyfE40xBe6Y0Pf7fLQI5JCRPVF3tkynKiN6+ADtnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )