Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '318d4b89376d2c58117260e106ab30e2c37b87494697bcce6deecc3a94a3f3fa' 
  AND token = '2Zro+Y9D+H+zKQQhUndX7w4CL01iqtk+t7mrOUbUI2Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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