Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7791a884f341fb30d5ef421a535d9dfc2909ac2a83cb4524f512e7398f944189' 
  AND token = 'ceSnDvwv2T9AAaMbkr6m5Szff64MWY2GnO5FEghRoJQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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