UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QaqNAOuqShklDQS3WipsqizvsrIQjEZY1dgmKvcEqXI=' 
WHERE 
  key_id = '894f78938d72e38b7aa14142c8fb3be1de1e27984e42ddbfa62d4e9ddf27bed5' 
  AND (
    token = 'QaqNAOuqShklDQS3WipsqizvsrIQjEZY1dgmKvcEqXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )