Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '25e86ad5cc700fd482d910154fd0240267b16bafd9b88089c655410105ebdf33' 
  AND token = 'cj78OpyaIo4EU/K1HQzOC9I94PO8Ttm2E9dWZBU0fe8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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