Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3ee82418dd91c45397a18e36a17cf08854bb3f4131c2ba309ae23921ecec8791' 
  AND token = 'pmgkIMfL6QZATPNAH+HNbZoKa19W6wl4OTrs2n0hrno=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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