UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5u79lDQ7EPNnUOlRK2Jc5G7ABVyqDz0fya3UKvIXfiM=' 
WHERE 
  key_id = '668e9b019c177998b750b050652ddeee1889519b1e10f4f1be4978192f2de48b' 
  AND (
    token = '5u79lDQ7EPNnUOlRK2Jc5G7ABVyqDz0fya3UKvIXfiM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )