UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8eMzQmi2nvDLtBW20Ml4JYaA65CJ0YM5LYBknrhlnX4=' 
WHERE 
  key_id = '4fdc1ec4ba33b07c774c4d48f315453541f116271a0811b1412a1302653fe935' 
  AND (
    token = '8eMzQmi2nvDLtBW20Ml4JYaA65CJ0YM5LYBknrhlnX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )