Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fadc744d98688c6d54b1ae42b508f76537e05ad13c09c287b2d6db109898f522' 
  AND token = 'jXuQrTIwQHQAAHoUoyrXDERmw9w+rkqDqrsdql24ZQw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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