UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fEzYKysouFjsPMqgnWv/JHuws7HlZfCD7yzUzDKJzq4=' 
WHERE 
  key_id = '936b6e2930a09f3f3892bbae46674258452645ee2042cb3baa711f53c38c781f' 
  AND (
    token = 'fEzYKysouFjsPMqgnWv/JHuws7HlZfCD7yzUzDKJzq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )