UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QJ+CTpYU+QOu2l9z3TLX8HUTGeSNhjM42+FG7xe8nMM=' 
WHERE 
  key_id = 'af5a839ea23fd402df73a3534326d658fcfa3f5e24e21e1d73c9a4c948416c4f' 
  AND (
    token = 'QJ+CTpYU+QOu2l9z3TLX8HUTGeSNhjM42+FG7xe8nMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019