UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UM66AFfkM/gYRmofqGIirQT8gnr1GblGbuhekiX/TZs=' 
WHERE 
  key_id = '5b802977fb841bdab7716231c014a04feb2d2397a4a346de4205eedd707f2056' 
  AND (
    token = 'UM66AFfkM/gYRmofqGIirQT8gnr1GblGbuhekiX/TZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )