Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '58fac5a823298b05dda6aca7516a4fc5ef02bd51fe4e5049d8ede0fb6e18dbbb' 
  AND token = 'mRn7HwjY97wGbwtMLoNC3HgM8S7WM9svfUuuql2oEV4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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