UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/ORxKpRtgFgpxsOjwTiqS/QGmf3bEe2ymTiDVFq/XA=' 
WHERE 
  key_id = '7d6e52fcb04e002e93685fc667c940a952f5dc89f40850569a6c1192d64c3373' 
  AND (
    token = 'n/ORxKpRtgFgpxsOjwTiqS/QGmf3bEe2ymTiDVFq/XA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )