Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a961ca431e91c4447d3d14fbd8d567a409c5a0b4c00e056bf2b2e76318b9cc6' 
  AND token = 'FLlzu7WOcMtNAYD4RND6Lo/5TJ05/KkZwi65BzH504A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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