UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LSqJQH8MBKAnIrpFja28jd/klH/JBt79UL53MC2/lPE=' 
WHERE 
  key_id = '39c8c93f3c70afc646068104dd537605edef31067f89ba93484684ec2829205d' 
  AND (
    token = 'LSqJQH8MBKAnIrpFja28jd/klH/JBt79UL53MC2/lPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )