Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8429657d96cf7a5bf770487188d07c811af4fcd0d1a3301298dbce830d06790c' 
  AND token = 'Z3m7KJ3K0LvE7mHCNT2IPO4DgDjfwVy5yYPibjp68jU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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