Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04862981171bf400c77363b76a741f90555b652eb40cbcc7ca5f9bb68cecdfe8' 
  AND token = 'tN7a7PL9Mxik3C2ydc/8mDtISsDWjFl74FPtgtIeZIs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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