UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dq/q5MTwhuvaB9/vIkaRaz1fJR3mW+ma09/n8HAGooA=' 
WHERE 
  key_id = '9b473721be4f04fd9a1e303a358671ffe18b4b456723f7c257a6f37be3c6bf09' 
  AND (
    token = 'Dq/q5MTwhuvaB9/vIkaRaz1fJR3mW+ma09/n8HAGooA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039