UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '16QuUEjfbcMIIecxfqdsrUmKg5G80rrCa5xoeCT8Wjw=' 
WHERE 
  key_id = 'f0fc09595ffbc16613b31baac376f5dd594a500173d8498ea1ffd0e3f4e32f6c' 
  AND (
    token = '16QuUEjfbcMIIecxfqdsrUmKg5G80rrCa5xoeCT8Wjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034