Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c32e92e70b7f21d3749586e1e90c0d26e139007c6fdca46ab073d9f9e213d917' 
  AND token = 'xDwdJHOXW3ZTK+BpAqvsqknCOe3sKOhutn3blczJL9k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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