UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCbrvZN24mZ89l9qkdn2qGaBWSqwKxNqs4apqtfJM5I=' 
WHERE 
  key_id = '50a6ee03952ad723648bbc8a25d2bc2f34a15c074bf2f0c83545e62922564835' 
  AND (
    token = 'DCbrvZN24mZ89l9qkdn2qGaBWSqwKxNqs4apqtfJM5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )