UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lM804kybNwynFQlmqrBpu55+y+IVxr1seTUJfacFGlc=' 
WHERE 
  key_id = '1a4e0efe52fd8873e53f8865a9a8caf8aaaf6a314daaa9c1a4a4a4d9e4e158d1' 
  AND (
    token = 'lM804kybNwynFQlmqrBpu55+y+IVxr1seTUJfacFGlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )