UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SEG2VwglUZtD5IiQk+yHB+dAsyuMQczMeAxw2XdxYM0=' 
WHERE 
  key_id = '8511c76159ba45c416dba657f8f0591affaca15defc088222f2e1498fe29abfb' 
  AND (
    token = 'SEG2VwglUZtD5IiQk+yHB+dAsyuMQczMeAxw2XdxYM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )