UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BAK2y0dV6sgb9TXWEyxXwvI6CxHjU1OtY8pDnGQomU=' 
WHERE 
  key_id = '50cf7aae62cd46f7f5a51f758e63f40ef987a7602fe653607ccbaadf700ec2e3' 
  AND (
    token = '6BAK2y0dV6sgb9TXWEyxXwvI6CxHjU1OtY8pDnGQomU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )