UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DTHV8x0NKmua+9hUTpsG5u2tHY3eFBde+vkWIdoVBVg=' 
WHERE 
  key_id = 'a22910abc7d33a9404f31966368c25f5c25115b73b3060e42a9f59c2c4439c73' 
  AND (
    token = 'DTHV8x0NKmua+9hUTpsG5u2tHY3eFBde+vkWIdoVBVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039