Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5135e3549c16df6c2b831749b7369d29ec2eaf96498a83a8da2ca2c8ca19c730' 
  AND token = 'hv6oAx42EgMAVP/oe0SXf4MAd84ua2VUCMVw6mUREF0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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