UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMP9UbE3w2ACgcWCtYntGdHQukD73BpxlmvsIMYMZL0=' 
WHERE 
  key_id = '7455a12d0d680793cfd713791b936f0d5d97a1fb7f7c7930d3c733d792244704' 
  AND (
    token = 'zMP9UbE3w2ACgcWCtYntGdHQukD73BpxlmvsIMYMZL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )