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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e1005f9e8683bd80fc3f96a5a252af71d2032c937fe063e800e4ae7b9a8ee925' 
  AND token = 'luIhKfyV94coaUfz1f2eEEhjvu7k1nhDjwssdHGe69U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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