Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1a14210404fd18e4dbf586a2e70a7fd5661f75816579e9dc72977fd2fa370ab4' 
  AND token = '0AUqQKsv3NWXnyxoSF6qD41W0DNIbiPrR/EIGNt4nHs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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