UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J4ks5alF15jX0z29y0xAdlrpkXM8htJt0QLz8+4epgM=' 
WHERE 
  key_id = '114b219d3a94dba25916408e836f0b84aead691452a78c516bc890854724aac8' 
  AND (
    token = 'J4ks5alF15jX0z29y0xAdlrpkXM8htJt0QLz8+4epgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )