Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f19ade41f337188e118435edef1d1d0ad68c443fa505da6cc59d6b2e58513645' 
  AND token = 'HXrBNuvs7h7JpzEX83t76o/fWpdn+sH+lycTu/5yUkI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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