UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wp4kRA555TkkHFKhERjlIFndjJm8ZwTXmSEkffDfs1U=' 
WHERE 
  key_id = '6e41a68b2033f4c7c014f1597f7a5a345f98ee58f8f878a8e74d4f582fe42c89' 
  AND (
    token = 'Wp4kRA555TkkHFKhERjlIFndjJm8ZwTXmSEkffDfs1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )