UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8gfPIKExUjRpCFZNGBZBWITVkqYYX1roGXfCCmSXHE=' 
WHERE 
  key_id = '4e09ab988ee3e8928a8a6a3a3248ff5336f2f9b3205bcdfb9a3b9845108f975d' 
  AND (
    token = 'Z8gfPIKExUjRpCFZNGBZBWITVkqYYX1roGXfCCmSXHE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )