Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'da529a7c85c7197ea7533d590a053622ed16ee0efecfa2b2aa8f767fb0cc096b' 
  AND token = 'FbZqou/i5GAxA2qZhkO83K4uzk2Zj6kiqnDDUnL4CQM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00116

JSON explain

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