Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '06d197bed7ef57ec95572d15fb444e74deaf0ab715e4c8b1c749716841d84c21' 
  AND token = '2Boz91TT6vC0nrDXDtkfAvmB4zOn30XG6Rx9vRrWhiE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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