UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lCj6Cy+FK5lvRoMB67sBkyopj7tckdqWSbu9x/Bp/DM=' 
WHERE 
  key_id = 'fd5487a51cc0ffb16de7d120366e9cd06e1c01f728816f4b99f42b6b8fd088da' 
  AND (
    token = 'lCj6Cy+FK5lvRoMB67sBkyopj7tckdqWSbu9x/Bp/DM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )