UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dPi8SQHWaIy4jxHivpHRfoMgMRVf/JLvn1/AEuLENZM=' 
WHERE 
  key_id = '8938cc547fe4de5a8fad697c015a54e05e2fca551234ff30381236f359707cb1' 
  AND (
    token = 'dPi8SQHWaIy4jxHivpHRfoMgMRVf/JLvn1/AEuLENZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )