Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'acb8c803bb006f746eeece40fe4f15662c0c2788dbde000722aeb55fbb280585' 
  AND token = '2dyYc3uNCX1zy4a8/Jope+tpzRnfqQeMAvR0SYWRyqU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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