Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cbc6e4dfd86b45492efbdc40a67604d44357ef81d1b4f3c0cf59695d7f30ad29' 
  AND token = 'ltIs4w2vy1di7SlITbEmcSHYJRq1NXOKl+pUKuffmx8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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