UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qwnnhe8DBOZSO4EFYcEnM4iA2P1nYJY02EIPt4iT7DE=' 
WHERE 
  key_id = '35533381f6c7a40e0758bf667989a8198f62ee5b414f7bd8c55273148a0e82e2' 
  AND (
    token = 'Qwnnhe8DBOZSO4EFYcEnM4iA2P1nYJY02EIPt4iT7DE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )