UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+SeFZWz3xcEu+px3B1QVVWjkWVU2S2sL3a2by0Cnns=' 
WHERE 
  key_id = '9a3d9cd0ae768fee1e7bffc1fb05b1d88341deceeeec0e6852e4b02dc4604db5' 
  AND (
    token = 'k+SeFZWz3xcEu+px3B1QVVWjkWVU2S2sL3a2by0Cnns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )