Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '4ce6931058e757af952f4baa4c3b112d1651631353a5102db45f7f43d15fdf5f' 
  AND token = 'NqysEbeSpC07fCrh66arBje5A1Dme6eaYL5jFVYpDWQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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