UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VSeRLpw0rrHlwJZsGkY5gYDkPgYUp6WPOfYXdThx8og=' 
WHERE 
  key_id = '683497e938e33dc6b764bc6062e4f9bd406d121614d5276460a9df6f3592fe26' 
  AND (
    token = 'VSeRLpw0rrHlwJZsGkY5gYDkPgYUp6WPOfYXdThx8og=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )