UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lTF4PVlhzJ73fHmeF08pD2v2BWG4jJ+8VAqQHlwPSq0=' 
WHERE 
  key_id = '3fe5b771df4849ed5a6cf0363064f265d0fd42fa7f629e7126e3120c5088e860' 
  AND (
    token = 'lTF4PVlhzJ73fHmeF08pD2v2BWG4jJ+8VAqQHlwPSq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045