Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '31866136fbe012b0953cfd28f6d234c39324a9d6c5975542af00fa82a0f0d4c0' 
  AND token = 'ZHTHTBlDeCP1f34nA/kb3TE9HBJeKkAgtBzVeKtjqDI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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