UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Um8Qv0n4GC2hCl3RtzWNmmfgsUjQSyNy4zRL5+tipqU=' 
WHERE 
  key_id = '9d53d9b73d357bf8f3697b3c05aa90a4c850593e4c4a501061d4643807a99e56' 
  AND (
    token = 'Um8Qv0n4GC2hCl3RtzWNmmfgsUjQSyNy4zRL5+tipqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )