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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '292602a04ff1398005ec190251f1b0710b5194ab9f8eccb0c6615b1342fe0e72' 
  AND token = 'HC6Cfjx0kiozqFWUjSI3aipHCS3e+/Y3+oxTxF5TlfE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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