UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4TmUoB0DwyDWCgAb+jtsyUXGEtYY5ekTs8o+a6WRAA=' 
WHERE 
  key_id = '48b26e7a3bf1836f03733a4b5af73333a33ba0402adc7bb803011acd4138044a' 
  AND (
    token = 'U4TmUoB0DwyDWCgAb+jtsyUXGEtYY5ekTs8o+a6WRAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )