Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '33b37596e65a394b2c2bb532689cd9cda3354ed4e45457bb20bfdb236d4952aa' 
  AND token = 'h5bL/sOB3N6UcuNu62c8Lm+Qy4i1kEKWqHHBV3Az9u0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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