UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Q575dMHdr3cvcUuA6PJ8vLGEOHzJzXa8MMY460rNdI=' 
WHERE 
  key_id = '844ae28a61c09161c6e69347eee75916e4ebf2377ce492175d42b2b7d6238609' 
  AND (
    token = '8Q575dMHdr3cvcUuA6PJ8vLGEOHzJzXa8MMY460rNdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )