UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w+PVI9eQUakIDpAhmrA4cz2tN9zGIjM9ils9XVtAEqg=' 
WHERE 
  key_id = '820bbf760bbe5419ddd614cfb90666a31e41ba55dd42e0c0869368864f270ac8' 
  AND (
    token = 'w+PVI9eQUakIDpAhmrA4cz2tN9zGIjM9ils9XVtAEqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )