Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65d762cf4c721c991e9e89696cd7b0580665bd677a7846f7f9f0777e22a85023' 
  AND token = 'Rv5hbyHnyq0IeYY4/uXmK+lab1V8bfc4aRQ0zKKVLus=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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