UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZDwe4zz1t0h+nOejEtDVC8ovIhBzOZZBoc66KGPC0Lk=' 
WHERE 
  key_id = '540b4e0e0551ec8d71ac8dbb22ad116ed41aed0e4994a0995a3df7a0a5dcef82' 
  AND (
    token = 'ZDwe4zz1t0h+nOejEtDVC8ovIhBzOZZBoc66KGPC0Lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )