Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7853770564ff304e1807313480921ecc8260128c869375dc0874f15551adea65' 
  AND token = 'xNG1p+AAOYRGelfqH9NSAcFXK2arIBkHLJ288gSobiY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00086

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}