Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '938ea6a234839edaaa1113d4cf09a13dab332fe91f636a68cec9ba376b3df06f' 
  AND token = 'YjyEEpcn7LnsayStAyzNMmK2/qIEuNu6AX4kYq9y8IE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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