Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '91ee6078e67d481d2ff62bfd3c66d0363f1aacd885d499f955c5116d5021a5e3' 
  AND token = 'zk4PsxLJBO4/i/U2AqA9kF722Rt1Yo3G/ioTFID13lc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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