UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtJYNhe50hz5pk6uJQDstIooKzmWNtRyKvNT/83s8DE=' 
WHERE 
  key_id = '4bffeb1fd71bd14c83356c61e62ede8952e2be0169fc12063688b06e0790f86f' 
  AND (
    token = 'PtJYNhe50hz5pk6uJQDstIooKzmWNtRyKvNT/83s8DE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )