Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07a22311355ea8d326897eae623e1547f386d33c325aec8c990f29fdf4e3d9e0' 
  AND token = '64AnaDInG8rtVK967IizA5v65DoUcrHIAZNrVsLmDXg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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