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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2380caf5246a6474fa41e1e5ec592fd419742c5dca23ff8870c80bc98065a958' 
  AND token = 'JjXnSdAom77dnAMXJ7aLh7fOZpxr/w5f3qoelRdKdz4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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