Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '25ff337c09b75dccaf71142577e38d15f6892f6e985f949aceff99b0e7ecdea8' 
  AND token = 'HGDP+slmyaCUbBeYhNeW9w3SfKv2Gs2DZorqmm/yhZk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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