UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xWHGUAIaLTWRqLkx2JL6xWezGY8O2171KSI3ua0mhkc=' 
WHERE 
  key_id = '27b40a700cbadbe6d54cb04737ea77791f4a40b84a38ad4b3cb43dd8f7632668' 
  AND (
    token = 'xWHGUAIaLTWRqLkx2JL6xWezGY8O2171KSI3ua0mhkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )