UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qd1+8Z5AqCbdKpJwAAfepK6OSPVLH0yiRgazTa/jc8g=' 
WHERE 
  key_id = '766e17acedbe0ab461c2d265f7b5da9ec392696a98a0a6f0ce570735e4370e66' 
  AND (
    token = 'Qd1+8Z5AqCbdKpJwAAfepK6OSPVLH0yiRgazTa/jc8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )