UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zeg2RvTiDmJEHQlbR/WE0WRTglaVXC2Lyu2qMM+6Q+c=' 
WHERE 
  key_id = 'e8119382abec2bcbc3778db1b3df0c406e5f65bb88731e695d8e75a164e9a2a7' 
  AND (
    token = 'Zeg2RvTiDmJEHQlbR/WE0WRTglaVXC2Lyu2qMM+6Q+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )