UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fxaBI7cyBqXW6y8sygLYbUho41bOwtH1Bj3pluEKdx4=' 
WHERE 
  key_id = '21a40e243acfb9916023541ffb2462d9206804d0774a82f5f3a289b0cc9ca71a' 
  AND (
    token = 'fxaBI7cyBqXW6y8sygLYbUho41bOwtH1Bj3pluEKdx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )