UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBk9VpHxe+r+zeVYteM5i0Grp7QAfqasTK4t5TQQcLE=' 
WHERE 
  key_id = '81c1a5a16293945544d9d99bb2daba65fd489e30a455f8442acaf969c4b8244a' 
  AND (
    token = 'PBk9VpHxe+r+zeVYteM5i0Grp7QAfqasTK4t5TQQcLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )