Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '749e05c61abb02e60511e877e3083120e9900c522670a4b931ccbabdc38d6568' 
  AND token = '8TWcaNIh43MQLZo2rATxx5NGxlf74s8utorRaksYicM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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