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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07e1032406e489c53c7eeda1eba33fb8b024f6a13fa4bd28dc163136955d1f93' 
  AND token = 'ieK4HxMR6tb04+PDrkE5qYl2cmU6y/1rd6DprH5w8FM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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