UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'jTp86V75dCBcEf//RaPq8iUI2LyJmX2GuVbFmTXE+Xw=' 
WHERE 
  key_id = '83bfe0a824a9b76a5ff2ff2501db4a50a7f4393c99a51b34c131f8983cf3d770' 
  AND (
    token = 'jTp86V75dCBcEf//RaPq8iUI2LyJmX2GuVbFmTXE+Xw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )