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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'b3677ee14631fddff4cf1e801be5f3d836dcee56b396d18c43114a1ae0ec4933' 
  AND token = 'gsDdNNqaEm9SGsWSCF5eDOZq4J9YzX+DkOhngu6JmJY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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