Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1a32b5e847252dd12262a5cf5468cbd904fdb332d6294850b7428ffed388c350' 
  AND token = 'ICg6hNaepX7ABkNS8h3E4lsaGo/BGULDmobf5yFqhCE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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