UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WqHReJtIMEMwPmn5mBiy6Z4BrnicYXslPpvz1b6na3I=' 
WHERE 
  key_id = '526d415ca5141e8de312689c4d6f98f8393251f1fe85691b7758f59fa9406141' 
  AND (
    token = 'WqHReJtIMEMwPmn5mBiy6Z4BrnicYXslPpvz1b6na3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )