UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yeTeFo3sPRB8ACBForZUFj7vbKw/HCJRVwgLOyuXp8M=' 
WHERE 
  key_id = '8cef9e587c437348b282d4c6f1205f708b9ebc8f80ccb002f21dee632fbb5d08' 
  AND (
    token = 'yeTeFo3sPRB8ACBForZUFj7vbKw/HCJRVwgLOyuXp8M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023