UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kuW7lQ3Wfmtenjfeda2zE0UqAWt0D44/hlq8mLTZW+Q=' 
WHERE 
  key_id = '1a76f29e0a4a902166ef135eb3d61ea242411a266d2d493e06fe6802480f7f43' 
  AND (
    token = 'kuW7lQ3Wfmtenjfeda2zE0UqAWt0D44/hlq8mLTZW+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )