UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zPwm13eWfe52T49D2fymT5tytKI3k+mhbGx/4UkoCVw=' 
WHERE 
  key_id = 'b6b76a055aebfe790ff0f9b6c2f79049c4ec48a553879822907cabcae9c5872f' 
  AND (
    token = 'zPwm13eWfe52T49D2fymT5tytKI3k+mhbGx/4UkoCVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )