UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P8w5Yy8Bfp21laZxyjYRM3shaOt26WOqVMsaHHuv4ZI=' 
WHERE 
  key_id = '15995697cd01035bda2c6480141168bc9c113e6a11a6494c666d8d3a59622554' 
  AND (
    token = 'P8w5Yy8Bfp21laZxyjYRM3shaOt26WOqVMsaHHuv4ZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )