UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kPAVXm7ikA5ALFhGyqFMxqhU5qybFu0Xd5e1SOSq2fs=' 
WHERE 
  key_id = '921f6ce09b196a3958c78a3092874834c1164e132b4a25432d77eae4a3297d82' 
  AND (
    token = 'kPAVXm7ikA5ALFhGyqFMxqhU5qybFu0Xd5e1SOSq2fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )