UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4GjHWr+sd+Sxi2eThezF5hoF2yWx1pmXbNp25/CQ2A=' 
WHERE 
  key_id = '6619203cb185a33073e27323d948a6d1c9c59eafb149745f32792feddeb2bd50' 
  AND (
    token = 'U4GjHWr+sd+Sxi2eThezF5hoF2yWx1pmXbNp25/CQ2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )