UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D5Q9E/zhOMdjGqKPebF5UdSwDBVE/DpqX1+ghiyirOA=' 
WHERE 
  key_id = '83f5e6cc60f62b05e0bd04ad844aa900256d3bc21ba2c7052f39b99367075708' 
  AND (
    token = 'D5Q9E/zhOMdjGqKPebF5UdSwDBVE/DpqX1+ghiyirOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )