Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4d157bc42e166cf9a5e324ff4ee5ba1f0b6b5aa87c7d21f91dc6eb2b77574dda' 
  AND token = 'JUFcsP/1MdU52U/SbvlQn9c69brcRBVeh1sHhJ2sEUM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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