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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32f22ba7038071eaf5c92a3ac07ae6f8b81ade69f57e29550a0793e59ec86ff5' 
  AND token = 'GjGoFDwLXlBlEcQcX4h/eT3OkAAYRYTmcst0nFsV0p8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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