UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpEoEusnUveczXXuGc6cGhAtwblnRfVUhxoEdKjWUC4=' 
WHERE 
  key_id = '8b75615e0b20984bc6e5ef7c5e7ea62a6b36de1035e78a8642a2cb381c6b8dd7' 
  AND (
    token = 'EpEoEusnUveczXXuGc6cGhAtwblnRfVUhxoEdKjWUC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )