Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cd3f9358ff80e377afabdcbe05e273b98c69a90ed6ef424732b2ea79a1e50451' 
  AND token = 'bj9o5Tm/0xZqRbQlRWr1H9hwpglciLqeKK1jeUc6kCQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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