UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVRQRCAkb3mm+yyzQLN8yry9Z4paopykxJMXZZclByw=' 
WHERE 
  key_id = '4e8c6ffb41b9899dfc8233f7cf5070de01affb95663a9abefe5f5aff9bc6853e' 
  AND (
    token = 'pVRQRCAkb3mm+yyzQLN8yry9Z4paopykxJMXZZclByw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )