Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c72e344c6808359bfdf58dff3863c0b37661ea1a7ea606c8c2b6ebfc8ea5b941' 
  AND token = '6CWSMS6Esaacx+bSOd0NtqqqTQMiRchJipJayx+HJVw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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