UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CxFpeu/YJ74Wh7GoOhmRw4z9vviunHxLbxDwB8/usYc=' 
WHERE 
  key_id = '84d7dd1216328ee6556adfd9da56905c8cdc4f122a404b59ed5c6c97a4d492cf' 
  AND (
    token = 'CxFpeu/YJ74Wh7GoOhmRw4z9vviunHxLbxDwB8/usYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )