Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '859f8ab53118c5446073b572762ccf4d73e1179ce3106f33193668b0b542eaa2' 
  AND token = 'zr3Fq1TzZ3MBMDuRcua0tuz+BI7EHFGd9gF/acmGTJk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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