UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VBug3zISAbY4yUjZZWpO3dRXZyAzWJvuTGdLGJYI0cU=' 
WHERE 
  key_id = '39550e5f89c4945fa27ea9c5fe4c46a9d1f6fca533757553baf6304a2d13199d' 
  AND (
    token = 'VBug3zISAbY4yUjZZWpO3dRXZyAzWJvuTGdLGJYI0cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )