UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P7Gn5qB2D74cbSYL3fQUjAsupIGGxu3tgb+RUC/A2SE=' 
WHERE 
  key_id = '1844bf36d1151cd6057f56337179750abc79122b435827996ed2329cc1744c79' 
  AND (
    token = 'P7Gn5qB2D74cbSYL3fQUjAsupIGGxu3tgb+RUC/A2SE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )