Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bfa9c848b68860def1e44658c21c4ea05ebb47e12b673f406e5e5b18f2d2e907' 
  AND token = 'adGUnCeZjtU8z31H/bpziFYy4HghWqQ/Ig0a6irp1ao=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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