Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07790571a02e68a470cc1c919e8dc57d30d01cd04b2fd1cd3155d17f98bf60b2' 
  AND token = 'BvSZ/c1seudT4rr1TZxpYymsVfhbrmS8b6zodLPLrOM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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