Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fa7d662950cf6af35d5e6157593d086c78bcca1a875494007d619632938f6163' 
  AND token = 'tyZazNpAAJhNScu9/QEqh4oxbfCaJ7f/3q+ymdNAg1g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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