UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxoBO4iqs1PW3sv5ixXeXTOtvzYojZOVZiLrc/98zms=' 
WHERE 
  key_id = '8138378b23919bfe67eaa54b6f0acda778a4143d75db8105de3a3f69393eb203' 
  AND (
    token = 'kxoBO4iqs1PW3sv5ixXeXTOtvzYojZOVZiLrc/98zms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )