UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cv+tvnEsXAn71BQX9ncDkdfgDf/cKeUUc5rXCoJhRO0=' 
WHERE 
  key_id = '7b8c202385da94e09b82dd7c2c73449446977d7e49f49629e0e3d2dfe24bb7ab' 
  AND (
    token = 'Cv+tvnEsXAn71BQX9ncDkdfgDf/cKeUUc5rXCoJhRO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )