UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IitqwTgm18+8XG5cYJrcDp1D2cegpNdFAmwCmyp/OsA=' 
WHERE 
  key_id = '83930a9d669a30c79853689b459c9c7b39569e43b64876cd40755ad3dc580ace' 
  AND (
    token = 'IitqwTgm18+8XG5cYJrcDp1D2cegpNdFAmwCmyp/OsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )