UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ZRtQFRsBFuBnO1QrQsZyTr96azadvtVyYbcyPQGs5Y=' 
WHERE 
  key_id = '55403d0164e6b382d28140f9861ac9e8344c0671129bcfa0787f5ab3fbe4c80a' 
  AND (
    token = '6ZRtQFRsBFuBnO1QrQsZyTr96azadvtVyYbcyPQGs5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )