UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y6eXLhVqLqJn1z7hDS2+veQZXsR1jNn34UqQlrLOOrA=' 
WHERE 
  key_id = '3818e33a363e7f2369b089f2763fc57bd972b0c526c55cf975b47a025c50f78a' 
  AND (
    token = 'y6eXLhVqLqJn1z7hDS2+veQZXsR1jNn34UqQlrLOOrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )