Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7408b679d609ebbfc5dca2bf4edd607873456236b034df168132552782ea7658' 
  AND token = 'N2tKCwgoO1OV/FuepFwAVvGsHJEs1bssTNecVnUckWo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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