UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RVlU7IyErgMkzzBtP9dqT8CjjFlxEfx8z+az1NjHP5Q=' 
WHERE 
  key_id = '9340cef3a01b393334b87549f451af3f5eed3c97afb900d800a3b89214626e68' 
  AND (
    token = 'RVlU7IyErgMkzzBtP9dqT8CjjFlxEfx8z+az1NjHP5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )