UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXYhO0SOVgvERGMzJprMVnn5LoNtNbTGPzV8KpYL7O0=' 
WHERE 
  key_id = '52bdfd9ca198ae570bd2172949f9c56fd91d120640c48da2ea8566098370beb8' 
  AND (
    token = 'mXYhO0SOVgvERGMzJprMVnn5LoNtNbTGPzV8KpYL7O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )