Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '60f43555248943c286bf75e1a2a5c445ff3abc1c7792eb31aaacda0cdaaa1c7c' 
  AND token = 'CHpewphDbngr0iLx82g/FinGr2bPJ0S/8dMn6zfryDk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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