Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3064f6fa85fc7b39cc9c2f7e35bc44fd5cef930088f76a6e52623fd403de4fa6' 
  AND token = 'O8do8iXx0S0fCSAP4id00j7J/ua5STk8mMQuuWxgfH4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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