UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkRPE/SHk11jBeksnakEw7XXfx1mX3hxq0Ysf6RfMvs=' 
WHERE 
  key_id = '15c34c410c01ed45e7138f9cb10222e7d7fda98d0e7efacc8d7003cd78ae0810' 
  AND (
    token = 'WkRPE/SHk11jBeksnakEw7XXfx1mX3hxq0Ysf6RfMvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )