Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '98aa2d69efbe3ea4afa627bcb7afb1a49ab2e56cd86cf18f26f10592036a564d' 
  AND token = 'fYvsTZkPOCF8U31SX9OTPeCAmYhJbfeT+kXMKlnm0zw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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