Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '943eb55aa2a9e1a79d3951e27ef282181e351c781bcc0d149b26d44438dda06c' 
  AND token = 'SqbkCnpVVDVMTnqbqqFrfTwMiPNSAL4eTwFKZxRF8n4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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