Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '01a54565594ed3a05f604aad376d8e4e32869214d388dbb04fcbe721c2ec750e' 
  AND token = 'UaQsqVoq2Kc3BiMY35aL83C5JF8BMvTX8X0hHxn7BAc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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