UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6JQ7LwhGXJaBX7GIqkiGkR0IieU3QKxj6SUfeSeSTs=' 
WHERE 
  key_id = '39fc005f88788ab2249316bfe5525c24199ba2ffcfb4f4b5c39bb04871ea1f66' 
  AND (
    token = 'x6JQ7LwhGXJaBX7GIqkiGkR0IieU3QKxj6SUfeSeSTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )