UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TVCXVSa8Tb4kVvtIFBnkikk0B88i049SFXnUng7+Xtc=' 
WHERE 
  key_id = '539236899a62e19b147a863fb58bcc3b77c61463ea0281cc233f29650aaf3256' 
  AND (
    token = 'TVCXVSa8Tb4kVvtIFBnkikk0B88i049SFXnUng7+Xtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )