UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6M1WxEQF21iW5VSkM3Sn9YYcFUl9QbrxraAxPNKi0cc=' 
WHERE 
  key_id = '8403ee55a15813d362228309cbf2d701aabcf73d0a3b3646806540227778db3b' 
  AND (
    token = '6M1WxEQF21iW5VSkM3Sn9YYcFUl9QbrxraAxPNKi0cc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )