UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'diQaEERuXgaIY01Qpd64Go9THzou/tVklxP9O7Hm2yc=' 
WHERE 
  key_id = '0694e1b15acfca749fddf57fadf1aef8e7b9719103f42fb81849945200058911' 
  AND (
    token = 'diQaEERuXgaIY01Qpd64Go9THzou/tVklxP9O7Hm2yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )