Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04ae9a401b43ea266fdae23635cb6f7ba6923d79886489898f9e777d43ad03ed' 
  AND token = 'Y/bDGs4i5jfrO5RJv6IxxO5iBf7th1s5IhKi7gdXkYo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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