UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i1eNzNxPC33r5i1oo86tUxBqTyDAwsFuC6aPzHannJY=' 
WHERE 
  key_id = '270a6218a05f1be65e2a8eae4b00afa2b4b0975dcd8eb65b1313d83863df0606' 
  AND (
    token = 'i1eNzNxPC33r5i1oo86tUxBqTyDAwsFuC6aPzHannJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )