Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8527e0045e988192392f1fb260aac93bbe6b2cc9d30a86aae1300ac300645d3e' 
  AND token = 'YofXA+u1sEB6MCn+9nb7m/46RDL+tsbAGYbCP5jY1fc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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