Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '372e3cb5cd0388deae2a415ff99b6ad0e07f6e94ae234497ff6d207853b8ebf0' 
  AND token = 'UPr+JYZTrJDk0R5NhYZqA01pyBCOEKA7/0xEnewDc1w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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