Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '283ad7683d2b141aeed4d948f2d0cd4f2bf14fb9dae3b1aab0f369bf6284528b' 
  AND token = '75BYqZddAMcuMYBptHNkUw1VLwOF/fGvADvxON+1Tl0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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