Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '003e980171b123c8d80cc9ce762228fbd49269b25470541ae68090cd014ac8fd' 
  AND token = 'yi7kAgqvPdPVprKNscFDgnJdMDv+gdvRA6THcLu7usw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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