Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0590664819ba999df1194d58e3a65a9698b9b28ff7baa64ec6012d0631b5d130' 
  AND token = '/8cN0i9mJVDYCtYGHEuiwiRVCAFxESkP/F0ofWX7IjU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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