UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0TUu2efRCMzx6tqKnAN49O45QLN3gjiEkH3hm5MtW9E=' 
WHERE 
  key_id = '6e97287d0152319064e2c2b3717fc3c2f0f2b4142d8d138cbbbaf5cf64c138bc' 
  AND (
    token = '0TUu2efRCMzx6tqKnAN49O45QLN3gjiEkH3hm5MtW9E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )