Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13341d4c665a8e0b4bf3aed51bced6c11d7251ab4083bb8ac2df818bd9c35706' 
  AND token = 'aoW+qrmK3NjkuVyM24MogzkKLSyM66DAz81k4CwrBa8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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