INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e591a68589a45a50996a1a65ee387f2924a976544be83300be5c9a8fb2e09ab6', 
    '+7KpSWgKgIr86QPHlP0VQwNrSc1NSym4svZ0oWdkkVU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)