UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6lAxLeHhA7NoSgJZQkE8URIEd0uG7kWlJLeFyjQBoE=' 
WHERE 
  key_id = '852a584bfcf6630bd44b37b30f2faf49a22563a382989f0dee729450acb9860d' 
  AND (
    token = 'k6lAxLeHhA7NoSgJZQkE8URIEd0uG7kWlJLeFyjQBoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )