Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0217e74302a8ef0979844b45261f5bcee4120fc1ba5971fc0cecf13eee7bbb31' 
  AND token = 'RrygfQynNzhgrR8U1RaSmryfVZJGOPMF88IKGLxN/MQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00056

JSON explain

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