UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SeKIskR5T8ko0BT31rbMiTA1S7uGJoTzXtv3eeyiyPA=' 
WHERE 
  key_id = '6eb90c680e78896776e05dc084c8cca817a774f483f91fffb4112a1d37a47a73' 
  AND (
    token = 'SeKIskR5T8ko0BT31rbMiTA1S7uGJoTzXtv3eeyiyPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )