SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '58acb9b6431c295517cd51ab349fb6aaefc4e3043d3c9742803abeb047a7b0fb' 
  AND token = 'dVt+LLMutW50+5vGWzIKxaHQJp5/HPs6jbFUKL96dGM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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