UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A6QyDZln/yPL2j18gmLtNLnzHtBkhHCDN5ZFh03YHco=' 
WHERE 
  key_id = 'a502b0598f6e61d1acd92bcdab905f29d0799eeb687277c1d1cbc38bc31920cf' 
  AND (
    token = 'A6QyDZln/yPL2j18gmLtNLnzHtBkhHCDN5ZFh03YHco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )