Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0961ba16ac1d3886e5a2af5d1a659bbbc27081c65d5afa1a9c65dcc3fd99307e' 
  AND token = 'zHVHcwTueWULB9N/JfOb5vp+8Nrz74UYojwDux5jvxI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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