UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LB7/fBSJ0Dp9abuSz+06fwHURYZI8vWZjLal8dAPyGo=' 
WHERE 
  key_id = '99b277f94faab4a998995b1c02b1c75303405280c034e5e736ed7feffb385dc8' 
  AND (
    token = 'LB7/fBSJ0Dp9abuSz+06fwHURYZI8vWZjLal8dAPyGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )