UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6kcNLUCQFKry3dkC2orPsPn5a+ExdpMj3ufz6aWv5ZM=' 
WHERE 
  key_id = '5a6cfc1331470eed54cf9f95dc68a64e21af9c281497c02955727eadac19ca2b' 
  AND (
    token = '6kcNLUCQFKry3dkC2orPsPn5a+ExdpMj3ufz6aWv5ZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )