UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y8pcbU0iLvDnFpyD79UCk7clXa6HKirMB+qeM2lbosM=' 
WHERE 
  key_id = '7c51d76849c5e94d893db507cff61131a555f0434616491360276708a2c41c78' 
  AND (
    token = 'y8pcbU0iLvDnFpyD79UCk7clXa6HKirMB+qeM2lbosM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )