UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VmP2SiZ3WKDBuDPL63a21/i83aZhHaD4rsgRaO+TlNY=' 
WHERE 
  key_id = '8a76a6caa681339bf4e49424171fed4aef4070489b4f3dbac5540f10133c97be' 
  AND (
    token = 'VmP2SiZ3WKDBuDPL63a21/i83aZhHaD4rsgRaO+TlNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )