Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04e1d9a35d85cf3c73347cc1822887119e7c32c8cc4cfa7164abe6e2f380fa3a' 
  AND token = '+l98AF3g39LX0eBIa9FFeFwb5DaxJHWx8qM/cpbv56E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00087

JSON explain

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