UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JKDt0pW6EToz5CVsFej5cOb+1k0JgDx4BxcVO9yD5lU=' 
WHERE 
  key_id = 'a9ef772384779fbeefb9cfdd80ccc2a9fedff3d6d05aac6d78c770244d373a14' 
  AND (
    token = 'JKDt0pW6EToz5CVsFej5cOb+1k0JgDx4BxcVO9yD5lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043