Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b732b3aecaa2445b9b3713351970efaf7c74126e8e1272d562b05e509d35a06a' 
  AND token = 'goryNeQqPnHn1T7mFN9By1U2A9l7l3QQuGC6PagICog=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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