UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Mw8Pq3YXyQx3bCc4LIMtBjiOhdD5SUda+5Px0hwraU=' 
WHERE 
  key_id = '6968f585da51107945d5f134da1ac90e38b6247baafc5f823391166f0cc8aafe' 
  AND (
    token = '4Mw8Pq3YXyQx3bCc4LIMtBjiOhdD5SUda+5Px0hwraU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )