UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qYPKRQO3A5xmuisiwtkPINz+0lnfehRVUX3Cai523iY=' 
WHERE 
  key_id = '20fd849f9eeeb573211acf4c0017971e4a83e2b838c7efb4cd69538d259a1640' 
  AND (
    token = 'qYPKRQO3A5xmuisiwtkPINz+0lnfehRVUX3Cai523iY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )