Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2ea325b282cf2bcb57b434005caf189bb0aeb7f166f8d082853154518ecab11f' 
  AND token = 'XPvAecV9h4QE0WU1ITZh464xwweKZM5tWbuJVse13uY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00074

JSON explain

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