Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5ba799cca0659fdb5bbe59bbc9df6b40a73163b3d5dce46130aad9530fb8f77a' 
  AND token = 'j8iyfZSWF2UUYOT0BRUoeNRXr8cMfUsbodLRQ/gli0w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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