UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GEXCdqgKCtMaYIixxIr92nM6xx9KpNVhDf0nj1T+igk=' 
WHERE 
  key_id = '4bca19c2b9ec81fe69ed96e439a65fd697e027f45faf8740b095cfa3fd483449' 
  AND (
    token = 'GEXCdqgKCtMaYIixxIr92nM6xx9KpNVhDf0nj1T+igk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )