UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g52rXZGQdXyCgPQEcFcZnhLs3UAyU0mym+FLSDA6zoI=' 
WHERE 
  key_id = '4261b50f4073f6f618c5181c515bcbc74c2fe4521c66c876bc4bd01e737e2755' 
  AND (
    token = 'g52rXZGQdXyCgPQEcFcZnhLs3UAyU0mym+FLSDA6zoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )