Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f31d70e57ce5f6853f1b1101844426de0338024366dcb851da3583f1264290a4' 
  AND token = 'kyqSMae7BPBleDbV5GFkOp4t9hwoqs8Tr6YWeBJnSzI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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