UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6aEwAfGU1lYAXcDLjqv0AckcPxcmWvvEbHlpJP0fkxo=' 
WHERE 
  key_id = '3c2f76cdebb648f6317b28d51cd3807b2b4d68811812fa9581a800be8fc8942b' 
  AND (
    token = '6aEwAfGU1lYAXcDLjqv0AckcPxcmWvvEbHlpJP0fkxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )