UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMEe1lSgsFtFAFAhz/0etd1+3SAcp5Ba9OnIwQjk/kI=' 
WHERE 
  key_id = '390dcecc821d6490f2244d4456026f4952988a174c52426b8d990a3022f0c858' 
  AND (
    token = 'pMEe1lSgsFtFAFAhz/0etd1+3SAcp5Ba9OnIwQjk/kI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )