UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't68hm3qUKyqXWbp0ZuBDJKJiKVlru/z/YXjooSE4YBY=' 
WHERE 
  key_id = 'e6ae60f4f28cfcc225ce2ed1eb2a84a2c44b8492bb857dca4879832832f2b747' 
  AND (
    token = 't68hm3qUKyqXWbp0ZuBDJKJiKVlru/z/YXjooSE4YBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )