UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WaSulgUu4ITSJt10BbdXvOb9KGujFiCl2no/6PytD0I=' 
WHERE 
  key_id = '83507c342e07bf5a9cc6ac2d02db9fc2bf1eaa6a36ecfecb0a57211e05736955' 
  AND (
    token = 'WaSulgUu4ITSJt10BbdXvOb9KGujFiCl2no/6PytD0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )