UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3iZnQWKfMFZGg5mz7n6kgtnC/S2VMK5GP0sj/NOoZbg=' 
WHERE 
  key_id = '683aeb4d929194eb1b1d83fa53f62c3041921e6a8bbfc1b7833706df8f4d527f' 
  AND (
    token = '3iZnQWKfMFZGg5mz7n6kgtnC/S2VMK5GP0sj/NOoZbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )