Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32bb89330bb997dc3d0a061ba63ae7013825108131848948709c1955831c6b3f' 
  AND token = 'PfGswqzQ/50jdAaLaSj0JJvfjgdPF5RtAn5/CNXqwbI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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