Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '64565653e009ceecdf624806a770549c329099917ac25aabda7670368b44164e' 
  AND token = 'w5oh2RziO30LmPR8Wj+bk20KatGVkhcZnNX5cICwxCI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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