UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DxTLjzOfPnDkgv8KukYI/47aZNwOmWFchwV2+1xuujc=' 
WHERE 
  key_id = 'a18d53da4597fb358a1d6a66dac1586d842341773d6d6295b815d75edc8d518f' 
  AND (
    token = 'DxTLjzOfPnDkgv8KukYI/47aZNwOmWFchwV2+1xuujc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )