UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OcQ/5U6xv29EhXLjr91BIcc2Axu8d5comiXr+tU6ixA=' 
WHERE 
  key_id = 'e1e51382eab34b968b0a7878d1adbf7339162bedce18dbc3caba9da4beb6519d' 
  AND (
    token = 'OcQ/5U6xv29EhXLjr91BIcc2Axu8d5comiXr+tU6ixA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )