Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'faea518a830169ae4030754fdac72f0e05a9f2eba72e8802354eb057fa2ce3ac' 
  AND token = '6g72uQg7HYScJJI/+VE/k6I/0eyhWVu0/czcYre+LR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00061

JSON explain

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