Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd82255e181937d3f8f9839ce386f5671e4141de5034c2aa664fc2f5c2973241d' 
  AND token = 'SzpMo7kK6US0OYB+qA7vy+8yE6PbynN6uo70Hh5L5fY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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