Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cf2c2b70c980f123ebf8b8c3e2a4d9f93e32e4297c499755ec6e4a84706d0fb0' 
  AND token = 'vmXaP9tgVjuJEOm1Bh2Ga2O5tF2a1u/i+ZWHqM7aADM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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