Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e6b7c0d11282bf7b18661e6e22f42ef594501dc58d6f92989270b45aaab4a975' 
  AND token = '9w6t4rcWsMiCa2bZ8uaukfZTBHf1/3KGLQ7PJoQcpoE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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