UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MfLoazN8ePIf2/y3LDITaKvzCDbeoOH81GjgWsKHOsQ=' 
WHERE 
  key_id = '81bb904e6f776239aa95242df47c2fe4d42de951eadb62fc29afed4adf9c7594' 
  AND (
    token = 'MfLoazN8ePIf2/y3LDITaKvzCDbeoOH81GjgWsKHOsQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )