UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'fmNiNY9Q1nTKZdisPOaMP35vZX1DAZAPKADXRYrMF6A=' 
WHERE 
  key_id = 'c3283fcd21547863478bff272ebb11c9c8d9e27382ab67979212e739ee8a4e36' 
  AND (
    token = 'fmNiNY9Q1nTKZdisPOaMP35vZX1DAZAPKADXRYrMF6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )