UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yeksPzWKgfXJH08AKILvHvQpd7MW7ck6mLOue0AvDFE=' 
WHERE 
  key_id = '3e435a1bc637346d32ccc15d54900bc7b3257f96141465fdc414e8b436e15764' 
  AND (
    token = 'yeksPzWKgfXJH08AKILvHvQpd7MW7ck6mLOue0AvDFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )