SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9ec59bbf49cb24b2cb45130c7f6b085aae92010146189c9bc8e165611df916a3' 
  AND token = 'Nzjr6XUlYXU7qsHsZHozDYnZjukJAdchvdO4QgvWYxM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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