Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7eb46737d4416626d684d8fffe901735264e62e449b51e6cb1447e5b085814da' 
  AND token = 'AgYsolgw/zkeVAzy5nIBm2sR3OrfTyM1GfqfELS2OaE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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