Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1f4ba5198d771bea0561101ea115188939d40f5e5a1a2872b6b13e9db4ab2f61' 
  AND token = 'kOhleINjnkCUw82b+auWIUwjAOZFH745MTp8YxmE+Xk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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