UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kk5epWYTqcSHh6ubL9lErhPkAoK88T7vkUzgIlxpv6E=' 
WHERE 
  key_id = '04bc8aaadafad40721c36981b335a6a55cb941ae409699a93efca4eb48a497e6' 
  AND (
    token = 'Kk5epWYTqcSHh6ubL9lErhPkAoK88T7vkUzgIlxpv6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )