Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '89124b9440c4971beee7dca6245177652999ed7be1463fbe6f86f6fdb90c4f10' 
  AND token = 'N1lWu189TuD9heAJxYDkYZ+brcfmjo3Tsu+A6ANsA9M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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