UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8TSZmzf2mfEfjO23jKmhzDqFWZy6SBlu7iKL7UScwI=' 
WHERE 
  key_id = '39425350e99b734bee0b0774f371bac1ed1bd9755e2dd636a15e62176a60e8a9' 
  AND (
    token = 'b8TSZmzf2mfEfjO23jKmhzDqFWZy6SBlu7iKL7UScwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )