Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'af1d907ee979f5ae6782bf089d143ed01fdab07cbadd5d0a17d3f946c0d60fc3' 
  AND token = 'P3H3Vns67TWS/9kjWzY1agZpehr15BGhLIVxfuUgSC0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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