Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a8ac6fa5e34a5a6316b6299bed418aedda844f642fa0ffa83cae61d5b0ed67d1' 
  AND token = '2rR+l7LPNmdDtSYYUb+GAs17M+3soIrDx6g663XW0z4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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