Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '49f03e8a2ff4795c68a79eb33904d6b271c09ec1f7d1c66ec69c9ae8106d0668' 
  AND token = 'AKUn6c/YOStwWC0myRBbfNyoRVXu7Q8XngXjnxutxX4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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