SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '62447d0fc5ddb30fd2992bf50b7258335ae46b8e2971546132be92fdc63ac69c' 
  AND token = 'YI2FU5gGdw0J5BaS1lDiCkZDqHebeREqZgp1m6E+s4g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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