UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VfZsKhznsCG6A5OTUvOw+MlZKuitIbDuie2V6sR60WE=' 
WHERE 
  key_id = 'e89746cea57ead5718bfab9b4d92a917acc8b0b65d79d3f9fa0483f3741fd81c' 
  AND (
    token = 'VfZsKhznsCG6A5OTUvOw+MlZKuitIbDuie2V6sR60WE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )