UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aRbpds7MWcy8jmls6s1GFv3emQDQQiXMZbJp5i1qlLM=' 
WHERE 
  key_id = '6ac975e6c31f91a7959d4b68bedbb41d34b30324d08a1f1a231e09e9d75a2e3a' 
  AND (
    token = 'aRbpds7MWcy8jmls6s1GFv3emQDQQiXMZbJp5i1qlLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )