UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lYo3LGMKJIIWJ7EAdEjFlPoNEpLTBB9jGcdHAE18FQU=' 
WHERE 
  key_id = 'b15cb3e27e285ae6c18f9a8efa9a7994a17d016e776c59d43b12cbe5abd39a97' 
  AND (
    token = 'lYo3LGMKJIIWJ7EAdEjFlPoNEpLTBB9jGcdHAE18FQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038