UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GF/EnTmf2tcJeUWXQGrKfkM6tPYA4pButToHsG/NytE=' 
WHERE 
  key_id = '819a784ef9ad62734a2c0220b645f7fb0833260b87b535347184f515cbd71ec8' 
  AND (
    token = 'GF/EnTmf2tcJeUWXQGrKfkM6tPYA4pButToHsG/NytE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )