Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'bd9ee06d38afd5065cbeb1525a7a99be92d0165568efcad4df235a800edf03ac' 
  AND token = 'i4XRO+/csVcsuEIKgj0zCeeE3dAQZC7EujjjyOT9u/I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}