Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09da8032ba1f0e4c50b20fa6759b2c6cb1d07c07b22fd0ec03bc48abf28652fd' 
  AND token = 'ZyHdNKtB/rAkssQFE0UuFn2HhTUicpyVqT9k9b6IAq4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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