UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1lVuL5VhyOp7245NiyzWQGFd7aRd7UB08FQDSBZ/5rQ=' 
WHERE 
  key_id = '6f6e2c824bf19b56ffbd0844d6edeb0c9e4d432e683d70f031e18e60a3c5ff4a' 
  AND (
    token = '1lVuL5VhyOp7245NiyzWQGFd7aRd7UB08FQDSBZ/5rQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )