Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0796f8cea6f322ea58de37d3f61cfa158629655ce44bb4b05c97750262b9d1b1' 
  AND token = 'ee/cgvZOvWiBU0ONcLxS/SbNmn9D9xR++70RXLDm6QM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00451

JSON explain

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