UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+lf3SzLxWt+fU4EOElJubKrZmQejvq51fohlJF0hlOQ=' 
WHERE 
  key_id = '68b64a82bd5a8a1145dc70a1822c9e685392587443fafc537f9b06fc95f0d0bf' 
  AND (
    token = '+lf3SzLxWt+fU4EOElJubKrZmQejvq51fohlJF0hlOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )