UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xj45UcwWt/2JufFYvE1wrRi4ykBJ16dh3yLfqeUFnrQ=' 
WHERE 
  key_id = '6e0bd9d2bb64da178eba560c443bff496cdb4bf6fec93069e635e69c436a7334' 
  AND (
    token = 'Xj45UcwWt/2JufFYvE1wrRi4ykBJ16dh3yLfqeUFnrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )