UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Er3F55PsKqXiDGyJ92T/99oSWpV8Je5pxAEF8Ew781M=' 
WHERE 
  key_id = '97a5dfd6c248a0138b0542d4c9651f6da4fa54bb1a946f79388d9422ddc17a6f' 
  AND (
    token = 'Er3F55PsKqXiDGyJ92T/99oSWpV8Je5pxAEF8Ew781M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )