Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dd8ce242ab6af9ab1fb36347aa9740b0194d89a45e99e19572189a05ed72dab8' 
  AND token = 'J8vFSRK3jvbkaKdMP+dTH5IFPxEOL8/0McY70BzR8LU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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