UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/hkJ4bGt2yiHV9WRb0WePYWtXeYFrxnPCpXUS7vsxw4=' 
WHERE 
  key_id = '21836a7f7cb5be6771e3858c25b232e697a77b7a7b8d39bf7571ab0310655de3' 
  AND (
    token = '/hkJ4bGt2yiHV9WRb0WePYWtXeYFrxnPCpXUS7vsxw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )