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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '061c3544a864e8d0aa883ab7514345cf96e063e218da47176059977b6c4027e0' 
  AND token = 'ZhaBBY1WWqRjFr8QU3XEullXRZmK705IrkkfDX0E8mw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00107

JSON explain

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