Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a538d2bd47dbc9d13ac9c8da385124a11c4d3197b1973064b7329c91890868bc' 
  AND token = 'FzGYxkfPOU7hlTXNcVCuyxWooEe3ujHINII0FGZ/z/Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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