Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b0d91577763ade241adcf2e98f98cd6384d0cfc925a6a62c8f6e9ae44a1228ed' 
  AND token = 'vgNaE5FMNapa0fTomXxZVmDeKVGrm0bG8vSd8QStvEA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}