Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b55271243fb840048c246514bc83b4bb038f3b6f43dec23663d88b55bb205259' 
  AND token = '+FaoDf7QwtnwpY3PDXKDl7gut0mftmF5kZu3Wnx3dsE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00066

JSON explain

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