Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0090051ea86b4f7aa1daa01ebe5c77e87557dca9c44ec079bcc9a7177c3947ef' 
  AND token = 'XFOZ0F38UUU4no4QDqfVXcdMoibop3tLBevD5KsfLXk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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