UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'scXTDOJopziCIfSWOeS1vLbgmPxaLFGhLaduvbqQnQw=' 
WHERE 
  key_id = '21e49d627afeff63b5a531c6ee2c11b591062be58b8402db76ac863bc8f2e076' 
  AND (
    token = 'scXTDOJopziCIfSWOeS1vLbgmPxaLFGhLaduvbqQnQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )