UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKrArrHjpI7WCfTYLfl601yxaRey5L/qW+gCIiCDCGw=' 
WHERE 
  key_id = 'a4c7a5c2a16df9cdc2c925eac42122c152f49e6fde544814e3cc9d0e53e46ce8' 
  AND (
    token = 'PKrArrHjpI7WCfTYLfl601yxaRey5L/qW+gCIiCDCGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )