UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+IVAoZphYjiwZWGfOJIN1nK2e+akSf9jRV0EEE5mxA=' 
WHERE 
  key_id = '6d3479e76400b3cf9dcaa1d7443a421be69a5d8bacd33911d5950d0e1731406b' 
  AND (
    token = 'r+IVAoZphYjiwZWGfOJIN1nK2e+akSf9jRV0EEE5mxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )