UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5HaE3lbwhBi9ZNpPt37RkwDB6BpdOP+d5mDPF+pn/uw=' 
WHERE 
  key_id = '798653cbfe5080e380507d92b89591c95abc219906e1f464829ab21401aa31fd' 
  AND (
    token = '5HaE3lbwhBi9ZNpPt37RkwDB6BpdOP+d5mDPF+pn/uw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )