UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CR6vkw+eNqakQ+8ALAmX8rtIpKKjjz+oE4UKIlWwKIA=' 
WHERE 
  key_id = '2e8c65442653e47f2f0f05ccd1f547167547c90e2aa7ef6591503045e51bf812' 
  AND (
    token = 'CR6vkw+eNqakQ+8ALAmX8rtIpKKjjz+oE4UKIlWwKIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )