UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nWeht++tI+Sy0lD5nuH3FuzyjXtdXZx5Uva9MsdQwo=' 
WHERE 
  key_id = 'c6a6d8904bf9aa04254f3144e6de5ff7d58a434539332bb7dc39cd114c5a4bd6' 
  AND (
    token = '6nWeht++tI+Sy0lD5nuH3FuzyjXtdXZx5Uva9MsdQwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )