Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0fb0f97093f0e1aa36c495915a38b4e01ed1e688bb7a86853211362804ad9d32' 
  AND token = '/Yi3fykzs4LtJRJnUI94tBlv82BUIIesOGQFTUAiINQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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