UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6TvY4rPgIlHfrBfbRyj6qKjVIjUaJlNpFAU4ilYcKM=' 
WHERE 
  key_id = '55dbec0e3ba022fb3c2a3992a5d827fb35029092abcd083bd193586b793b7012' 
  AND (
    token = 'K6TvY4rPgIlHfrBfbRyj6qKjVIjUaJlNpFAU4ilYcKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )