UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BrY9hZL5BUb9qInX5umiqQAgdFUu0zVl6nNb1HQfFa0=' 
WHERE 
  key_id = 'a12a4d34c2c705ab40f65b273ebf50ef2d77ecdd11c2eacca37277a51406cb3b' 
  AND (
    token = 'BrY9hZL5BUb9qInX5umiqQAgdFUu0zVl6nNb1HQfFa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )