Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '299f5d2a63fad8e602af7b2473d9e4a9357758a9237fa5c112936e941def1732' 
  AND token = 'AZlUDojHsa6xcyPH+LK7FSW8JK2nEW1ay3afKMP8ttE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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