Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b699d29181d7b0f9e7a8b933970cf05b906adec333659e08b5613fe7672d89c7' 
  AND token = 'XI7mSYj9FsToEyuH6JMDX/0wHwIm5IFQV9/3V3LPffU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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