UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VEfdxrr4tKIWMTVsYayAwWgG3VUYtqXvxu14BBiueXU=' 
WHERE 
  key_id = 'b6966ce603b445f3463db7e69592fb6f13c8ad0ee827266b482a31f9081387d7' 
  AND (
    token = 'VEfdxrr4tKIWMTVsYayAwWgG3VUYtqXvxu14BBiueXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )