Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '873272ca85c2375d8055d9621775bc07bea738658ee5686ffc3093ee217dda53' 
  AND token = 'v3/SqSawswRk/eHzFj3CbUx77Gl5c8BautvLoghmmCs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00054

JSON explain

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