Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '12950487a048f48301a58891738ad974aeee9975065b6ba42ee48cdc0b1b0d64' 
  AND token = 'c4UB4aacBPjS+z96fXcB+BfBIN2a+lkG/u6Fu8Zddyw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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