UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lRXqlpPrd6+rQ1qAPih8PiMn/jWMWpJnCmlP0+578xw=' 
WHERE 
  key_id = '34a9a27832923dc6a13cbdce65ffe80af307dda0767c9b845c276e3555c7eced' 
  AND (
    token = 'lRXqlpPrd6+rQ1qAPih8PiMn/jWMWpJnCmlP0+578xw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )