Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e895bd3d070201795f0eb2c20bb740e6000cdf73f3fe28f56f21095764219b70' 
  AND token = 'tmv5uZvLzrUI1AKAvedR//tJJ3W7CV347fKbvHjrDR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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