UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6jmYRfQGvjbFQpokuh5JJUJisVL8fpGPJ3ncCbl1SG0=' 
WHERE 
  key_id = '176d5f6f79619d9b42dee9f114a8b40571d2b34817d042a8f7181e3d8e1ada27' 
  AND (
    token = '6jmYRfQGvjbFQpokuh5JJUJisVL8fpGPJ3ncCbl1SG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )