Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0059a32e5ec8e1d735c225058ee2341f18ea71f666831e7c0b72b8e63bc0093c' 
  AND token = '1QRxb254oxyOsJHyesk4Qn+SBPEqH+agVCUfoIwHyCM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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