Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '081df75cb8cd9dd9adabdd47fecc5ba46d63b86bb000f92ef277285e53c63b3d' 
  AND token = 'oX41yEx1uYwScXeh/Rm0jDWdd1xHGPSIR8/8WXpsEUY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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