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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '23f5c459f09b865b68ac161ff89e5f9f89cb89023082803a8c2246208f6c180a' 
  AND token = 'CnlCuOLWmRKEo5IfJ1DFLNvuJEr7IcayPLAPaU/J3HE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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