UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZW4muaMuNYKu3SuZJM1jwAUSSrKHPFMoWGZ3J4s7HPE=' 
WHERE 
  key_id = '6a50f89ff6882d621464e7790cb5147dfb2d4a73e391dc9d68730fdea5c60c60' 
  AND (
    token = 'ZW4muaMuNYKu3SuZJM1jwAUSSrKHPFMoWGZ3J4s7HPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )