Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f2ad2126788ed2dd9bb45f9d87db4b937742ea034f2e1c7b19305c5659847b52' 
  AND token = 'wkB2AEDELahGTD20I5QwbN7AeHpb/GvwYf+r0SzFABA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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