Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72e930fac61d07e5d74bac8d005370dd2b6727988232a8fa523a9d77f7e88b14' 
  AND token = 'T3lbsqKzOL0oiSvD1+2Ogh8fm3F6b2sptZ2BugfOO7A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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