Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '86cf8233656293fb8d697afbd784eeb87e6e228fa5d501d2254be652cc0a2834' 
  AND token = 'FcPGCheyGf0mPSeoizI3dtYkEKh4kvxqk3EyyUad1mY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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