Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8edac1fd4134a1e4f6e6332c90dffbac8c8c9243468e411ac5930c9ba9ec89b2' 
  AND token = 'gLyI9TSo6N/o+2YwIzoA5diAv8igeeKjCx5C5dmcjAY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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