Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7d10a35b6a9d401e3f8fb6b3edcc7b3ce69725f5479f09f50dc02eb1b9b2752b' 
  AND token = 'UeFoL2y0RjTzLu4OfWrH3H/BCw65cM0vtNX4xdD/djs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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