Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4629cc0cc601bfc9af5000e973a89377cb6baf5f7c4ad2e8493ad0af05ec7cf7' 
  AND token = 'vZ/dQ+lNzodoZ3hqYexRF4pjSpc1K40Q/NrwDOcz0jo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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