Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4c5a115d26e6031e265e30d8f7ed91169ae9eac20be71c3bdaef56ee951e7131' 
  AND token = 'amB/GA5PENCJHE2Mxjd+K6Mj6oBFt0ZQVyWv2f9EDFI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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