UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EBdtgVKVOG40uRwNuv4ZZAoeeTk0snxrqbQcegdeW70=' 
WHERE 
  key_id = '4ef3399e36f8693a1dfafce0b822a592b46dc592f33f48f28b01dbaba0b4e472' 
  AND (
    token = 'EBdtgVKVOG40uRwNuv4ZZAoeeTk0snxrqbQcegdeW70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )