UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uSaionGdcSLDOEmt3ospu3snxlULhRv8buPh9+V2UMk=' 
WHERE 
  key_id = '4f48ca8d9e7e14f9a3229d098500b7d51c1800a3049469118361b91b03fa81f4' 
  AND (
    token = 'uSaionGdcSLDOEmt3ospu3snxlULhRv8buPh9+V2UMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039