Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cf2ba00bcac5bc1632a82a015a01cd41b44272dc3b1ce98f5228bed440cc238e' 
  AND token = '9d4ccT8PTo6Ne8hBvFv98sny13fwacY45Kp90o0WqbM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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