Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '065329e1af4b9965f64d9fdb9ecef91c35a2bec6eb921d64f05f6dc7c58f9506' 
  AND token = 'U83yl46jHR/qb78YSDpzExa+QKHRnzn0xDHt0fU57c8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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