UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BJKKUjEXn4imGmhX3M4UtEYssWEqyktoadaBNYkMZMs=' 
WHERE 
  key_id = '2d4cac05b649683f1587a5df99a7e21c43703570fdde890eb42219782e2a2e78' 
  AND (
    token = 'BJKKUjEXn4imGmhX3M4UtEYssWEqyktoadaBNYkMZMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )