Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '110385d46b2a92ae9b2aac79c53821c02955e490a9f02ec594ad782a48930b87' 
  AND token = 'KYOtm7Mxkzf4I900Ou21pbaW23mJwDio2EWwTqF94Fc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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