UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rx59jISQkjDAGSDcbZa+DRZieYcWQwk4m6V7pZylwro=' 
WHERE 
  key_id = 'a8efd6e83ecc56bb00fb847779e0fe992a268acd93e0cc39e0b9fee724ccd174' 
  AND (
    token = 'Rx59jISQkjDAGSDcbZa+DRZieYcWQwk4m6V7pZylwro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )