UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QmaNY4UFJ0KrYAsJhITGnQlsPT/LUC33+qSqy4zzwiA=' 
WHERE 
  key_id = '838291aae8b2acd0f7d15ea794bd32014a1bf3905077ae25e0683690be110568' 
  AND (
    token = 'QmaNY4UFJ0KrYAsJhITGnQlsPT/LUC33+qSqy4zzwiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )