Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '025ce1010ff1d7e385afdd82f9447f5fc964701cd9c9ace12d114b520f295409' 
  AND token = 'qflYPlpk3yBCCc+Smi66k+0AyNfRca4kg7wmO03Yy48=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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