UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2UWE8dSvu0YREicw5mhIzGr8e4rYvHL1QkZ4jlrJhhY=' 
WHERE 
  key_id = '8a27e5f0f6ac2f1b168176775508a475acd1be33d3cf261418ae0eca86e07581' 
  AND (
    token = '2UWE8dSvu0YREicw5mhIzGr8e4rYvHL1QkZ4jlrJhhY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )