UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zx/LXOTVgntJlGqHItOA0qzpZCRsEjko9pNxn1VlrpA=' 
WHERE 
  key_id = '6a3858c014c9f1a29b18fcbb048c9fef3f7fc4fdc507c3dfd5b10f812e2e4c9b' 
  AND (
    token = 'Zx/LXOTVgntJlGqHItOA0qzpZCRsEjko9pNxn1VlrpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )