UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZKUVLwvY6D5WtkgA9/v5M/h42EJKmn++dAEXVcsfG8g=' 
WHERE 
  key_id = '48a2e0f139988d843107699fb951b510945659c0cac15d676d654e880a1fd496' 
  AND (
    token = 'ZKUVLwvY6D5WtkgA9/v5M/h42EJKmn++dAEXVcsfG8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )