UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4g5NeOjd4ZZ1Icv8EbjjzE3IYvVesFYxYydwI+8VdjQ=' 
WHERE 
  key_id = '7b5b1d36ca437fe92ecac5d9e1f35120138e5d9c79e173c68df0d2439e2ee4eb' 
  AND (
    token = '4g5NeOjd4ZZ1Icv8EbjjzE3IYvVesFYxYydwI+8VdjQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )