Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62a007f483b0cc46c87748f9949ed1a0062758f1515b62280ab8d5dd8dfaed80' 
  AND token = 'P1we9/u8d6vSUgcT3CYljz2If6azSYY1d3E61zs8jLg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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