Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7b08996b23fa72c5e02774cab950991d34eb8552dad99d0537485ef9ea21d9f7' 
  AND token = 'nMcmZp6u0dapWgBso5Sx2LmyII71+XueVFjaVJ9Z5hY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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