UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMcZXbxF6IS7UuLMfBeRZcPovZJ8Y1tCzxvUQvDZOWQ=' 
WHERE 
  key_id = '50db500b84bc0451dfaf569dc32b61adec5daae62bb11b07bfbc94f76f5be86c' 
  AND (
    token = 'UMcZXbxF6IS7UuLMfBeRZcPovZJ8Y1tCzxvUQvDZOWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )