Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8c1fe7a5330a29b4f1679876d0436cf4fde9ad1362e9bc8fb63904657b60da69' 
  AND token = 'FRmj2rYoee4VaU43dvi0sO+OJnMyTrfpai6ryNXBOQQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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