Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '58bf37f55a19093a26d024462e146aa5c3d7a9c23726c28c13e99b0cd2e79725' 
  AND token = 'ML72N/tcuw2BkDyD0KgLU1Giu6lMWlwYCTQpAsZ8/5g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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