Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aed08e108874eb2b7bb59834b6b10cd89e84ba724137fabe289d0b6fd6672879' 
  AND token = 'shh+Ko5rg7VpAxUxYyrAowSTEIuK4YZDGYoaevlSopo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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