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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'edf6f62d0f3a18dfe1a2cf67d308a1abadf9b7ef5d587c676f8de3ceb4778a9c' 
  AND token = 'zczD15OaalytaBqpJ/35GClDBfLEBLxBLXEgNfH3JYU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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