UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QOPShlQ9i1TuIWmm+42SwL9dJQcOarFu2rHCQABzbqM=' 
WHERE 
  key_id = '847d30ff0283152d4c4f114b8336a280ab5accba44607e1465978de81792e747' 
  AND (
    token = 'QOPShlQ9i1TuIWmm+42SwL9dJQcOarFu2rHCQABzbqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )