UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BhixpkG4pnlf3mh2AkbPAoJag5V/5LoQf9ChQTXBwy4=' 
WHERE 
  key_id = '21981c2177395f10cab1af951c2780e80d13d0f5845985a8f42074486b4c977a' 
  AND (
    token = 'BhixpkG4pnlf3mh2AkbPAoJag5V/5LoQf9ChQTXBwy4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )