Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a6a4f23116e6e38adb78bcc16281d084efec1d2a6e29d424601034a675f67c2' 
  AND token = 'v8OwPir58pJ2LxkxHEVjNGFYhnYAiXt2+jIoODLIBjQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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