Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8bc9dfe99803199b260a03b7344585eef763e98565b0912afd9242e196a0c886' 
  AND token = 'IdYGi+aHzfsDb8ucRRoefemNcIUXXuogGH98srCptnE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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