UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxLArY+qh3QEHgAJ2+2lo2Bn1lk+OJ1q3oiI2UC5xDY=' 
WHERE 
  key_id = 'd279f12945387d9cd74ebcc38a557eb605f26f928ae0544f517277903a382bcd' 
  AND (
    token = 'yxLArY+qh3QEHgAJ2+2lo2Bn1lk+OJ1q3oiI2UC5xDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044