UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nl7TcQXQHxCOB3DKX9JI/G1O+nzLjDqKmw0InX7vehI=' 
WHERE 
  key_id = '20721408256750ef280dd0d2d6627818f1fb491e229af422469b37cd03a39fb0' 
  AND (
    token = 'nl7TcQXQHxCOB3DKX9JI/G1O+nzLjDqKmw0InX7vehI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )