UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8xiqL36DWKoQOs6bz/MOhuj6Z1b67d8UdEoGoC2C0k=' 
WHERE 
  key_id = '27a53f054afdaf02715c2600491a67846a9de0879a3df0c9d1b746a68a7b0a00' 
  AND (
    token = 'g8xiqL36DWKoQOs6bz/MOhuj6Z1b67d8UdEoGoC2C0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )