UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nTq8Yvf5r8wKRulDRGQF0RoAzGTu8MhY1WgOp6Tc+Q=' 
WHERE 
  key_id = 'a615e57a41c60a8ad2e5c3285ab948c25a9c24021f543f948f6fc0e56ade2f30' 
  AND (
    token = '6nTq8Yvf5r8wKRulDRGQF0RoAzGTu8MhY1WgOp6Tc+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )