UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4S0G+4/0N4hzEKt5owHdeKjbm4DF9H0XnW8ekOv/VBU=' 
WHERE 
  key_id = '1b830611526c651edccd998ebd5421cedbd3566f7f9c8cedb52d402111de2c89' 
  AND (
    token = '4S0G+4/0N4hzEKt5owHdeKjbm4DF9H0XnW8ekOv/VBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )