UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mn5sDpXNiOzInwsxJb/WwPcMCPn9rXu4h4NzdL2pKRw=' 
WHERE 
  key_id = '27e89ede1cd54b9d693a3220b3bbbca27f8167076672610a3a56daf4b82736a9' 
  AND (
    token = 'mn5sDpXNiOzInwsxJb/WwPcMCPn9rXu4h4NzdL2pKRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )