Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6333a277b2a5d5035076a6a874a51f2fbf72ebc096a0abfbdf3b97112b587942' 
  AND token = 'S/xAN2HQGDnOz5WB6Iy3i5+YW4w8XEu4qG5Rh6cFohk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}