Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '782088f5360f4e8a66d3ca38f7467ec5b2c182480bddbd12a0b13ad9632deab5' 
  AND token = 'OD+jOn0nmrDrFs4Dj9orgHIXOzTA1EMDXGiSsEnYLkI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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