Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dae8008fc1e46649cd7570a69d2dbd6eab038a82b7845709479157e288a7f2f9' 
  AND token = 'H1/mosqZO4v0rl9R6ymDk92Iykt68RhrRJnzxVXndlo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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