UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T1OGpJzcPIYW49NxB2MGV2a9gqb+vpER3XVeNe7EZu0=' 
WHERE 
  key_id = '39875d1efb6610cb5bf8355de5c14fcb59107df955116b07d58c90c83397104c' 
  AND (
    token = 'T1OGpJzcPIYW49NxB2MGV2a9gqb+vpER3XVeNe7EZu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )