Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '44a6d2a5c99cf09c5e2532adbcd0129fb8d64a9f918f8c88688b126d20173d60' 
  AND token = 'Ic+s77nNcCyFF42EhtT1GVV7B4r2wdo6jH6qyDGEXG0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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