UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kpN1bUH7WAm8s+GhXFgcWIQ3UnDtvH4XVoO3n+u638I=' 
WHERE 
  key_id = '790c6f17befb1cb44697d881af3f7e86d2e79e34ecd108034f1fa7dbe75c7456' 
  AND (
    token = 'kpN1bUH7WAm8s+GhXFgcWIQ3UnDtvH4XVoO3n+u638I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )