UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p/mBqqJW06VkXCnH+NCJ0WRCCveYS56KNDj9ETDXNKE=' 
WHERE 
  key_id = '2547b490182b64be3926e33ffa18e2383a3259e3b740823a485bdb5325232daf' 
  AND (
    token = 'p/mBqqJW06VkXCnH+NCJ0WRCCveYS56KNDj9ETDXNKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )