Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '068564467d64d4ac62654ef17f7032349f89b73964ed697b74505de9f53617a3' 
  AND token = 'Jvb6HFgZFnfNENHIfJtdhc9r9VIixHebv/FI2vwtcEA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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