Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '361b4b1ff22e268654a05cc44f554bc893aed028157190082c44b33ef891d4cf' 
  AND token = 'YfB3AKXXiK0eBcC3BfR990a4cCQ8Jtsu7wm+vnmJgeg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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