Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '60693b912113aa5c084b1094417a5801dafa11a2dc7a3868521d13fc304c5205' 
  AND token = 'wgs3N9xMarnkA73ewkC8wxPZu/yn55CmLXFFzqpPc1E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00060

JSON explain

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