UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N4yVWCzFrHeN2xUR0kWcl1+vRLmhMFMop2koJVXwST0=' 
WHERE 
  key_id = '1979c810a2f89319b96d53dda9d8ca9a933a20665243afd4036fa60c0b8abe9d' 
  AND (
    token = 'N4yVWCzFrHeN2xUR0kWcl1+vRLmhMFMop2koJVXwST0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )