Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '58d614adad2fcc148995b0980213f750854b89074989f15a0d3401462417ed10' 
  AND token = '1zQzhdmUlPZirook5pd4UQK4fjw3/5J8m2Y5nzcdbow=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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