Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1174c4326ff2b17a27d24548c8c3224fff5c2892d743de27e2ef7835605cabd4' 
  AND token = 'I+Tsf2BNIt617ElSQHTJQ1jCCxPEsYnLPw3avqpgtTE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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