Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cab68a856eaf621bfd370f1bb271a87cf8f328d70d7161076656a5c2184697b5' 
  AND token = 'X5YSCvbHjNZAMLlqaIowwvhHoPbq8oaSuIsiHK4g6EA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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