UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DFw88yEsq41khrlgFE2njcu3TVMSLKS4hcqaKFyFdFc=' 
WHERE 
  key_id = 'b5e021c340fdbbc4a03b922d4f78873c0c9dea9d7b0a23e35c5f4c2d304c96cf' 
  AND (
    token = 'DFw88yEsq41khrlgFE2njcu3TVMSLKS4hcqaKFyFdFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )