UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/As7nKPlTgNLkVBLdIYAfvdDblpiu4Ti1DwLppPkpOI=' 
WHERE 
  key_id = '2b9294d3e5d49f3cefe5a06d89263a677a38ef53a31f023e63c401013a8efbf1' 
  AND (
    token = '/As7nKPlTgNLkVBLdIYAfvdDblpiu4Ti1DwLppPkpOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )