UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51166e954aaYI6ubo8z5SLSPbLxudpADHI0ExWCzuRE=' 
WHERE 
  key_id = '2981135ee4903bdef514d2431d88e7f42872aeaadea7b706dbeb57d43086931a' 
  AND (
    token = '51166e954aaYI6ubo8z5SLSPbLxudpADHI0ExWCzuRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )