UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdGWj8W43c7qpwwmCMeynMAebeGDGaMXN2mIKJTfzbY=' 
WHERE 
  key_id = 'b4f876503b4273b58ad41651a2b70d2cb766319c9d06a324fdd2555a27d6302d' 
  AND (
    token = 'zdGWj8W43c7qpwwmCMeynMAebeGDGaMXN2mIKJTfzbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )