Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '98d97706f0bcdcd63789f4f196b09e43ba22202cb2bf4633937b364abf64159e' 
  AND token = 'BBzvpmtysOahY8mYjd4vH/9tC+7x8iy/cw89ENFT+/k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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