Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'fceac1041116c200af46132fb9f49a1d4c00dfa7816adc724fa808b9a5b5db7a' 
  AND token = 'cYl6y6NyD8YcXCB/2apOspU4jyENWwrpyKF63INqDSo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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