Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f415f9d0aabb705a21b9670149cb59deef1c7c92404a245001423e060e9b6f6d' 
  AND token = 'AuhS+qA5vPL0PveX8c81CWIhjNcLcHXyxfPqNXm30jo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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