UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm/Sqg3dYTvtszxuYz1jpzQgPVzQpVOIp2Q7+FqGZEmg=' 
WHERE 
  key_id = '79480a81052edb536f65d64f61811b660be8e345b14c13b179af36c212e15847' 
  AND (
    token = 'm/Sqg3dYTvtszxuYz1jpzQgPVzQpVOIp2Q7+FqGZEmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )