UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poWr5xsogoJhJ5+8USIhbATjSPxhTvqxiJtmqMeyZlA=' 
WHERE 
  key_id = '38f428642cbca08b878bbacd2f79bf5a3388f1d69dbed1182ad9de7f1a88a108' 
  AND (
    token = 'poWr5xsogoJhJ5+8USIhbATjSPxhTvqxiJtmqMeyZlA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )