Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '343cb5340da20a9881ddc8f7265b8673849f61ff58a207c0002ca97fc81995eb' 
  AND token = 'TOIB4TdICwf7JEVcn3OPqFuB6oJhf3EOmjICXPFGow8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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