UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SshHlSrdCM0gzfTHsPONxASujpJ4pZP5OexFQiad0AA=' 
WHERE 
  key_id = 'd4a84fe46cebc191a55c1b8264975b8a74e05cc3f563a0650635cb3c6a1c241e' 
  AND (
    token = 'SshHlSrdCM0gzfTHsPONxASujpJ4pZP5OexFQiad0AA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028