UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yJYyCHaGhziFpdBEY5DevrfDmVbopupXL00khmxA60Q=' 
WHERE 
  key_id = 'fa020191c2a54a9c90c1329dbb9a990a3d786a513b33318219d8e75be0df0ec1' 
  AND (
    token = 'yJYyCHaGhziFpdBEY5DevrfDmVbopupXL00khmxA60Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00057