Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e584e31bccb8d6f049220c1b5fc58dc24f6e130b178ae4b2b7e30567c40c71b2' 
  AND token = 'FxWPjGG/aolo7SNLLoxu0DEba1A4ZobApFYit4/LfGI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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