Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2d09f036136b1c877a243680712049e30caabfe6f4f14c6b5a1e110dc6bca2d1' 
  AND token = 'Fquck6H4vUowyhUb7nDpv7WiEpBp4VzOR+dKC8apYiU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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